# Statistics 2070 Ac”? Fall 2013 Test Number 3 There are 50 problems. Units 2, 3, 4, 6, 7, 11 through…

Statistics 2070 Gravitate 2013

Test Enumerate 3**There are 50 drifts.**

Units 2, 3, 4, 6, 7, 11 through 15, 18**Each drift is merit 2% or 7 points.**

**Due: TUESDAY, December 10 at 8:00 PM**

**When you are asked to contribute the precarious compute, fascinate voicelessness that there may be 1 or 2 (+ and -) computes.**

**Scenario 1: Use the subjoined for drifts 1 though 6.**There are a enumerate of things that are kindred to the

consume of coffee; such as consumer require, governmental help of coffee growers, climatic provisions, etc. In

this drift we are singly going to be unquiet environing the quantity of raingravitate during the harvesting season;

specifically is the quantity of raingravitate kindred to the consume of coffee. Our two variables of concern are

Rain enumerate of inches of rain during the harvesting season

Cost consume (cents) per triturate of coffee that the grower gets

Here are the axioms from 15 opposed regions in Columbia.

Region of Columbia

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Rain .50 .50 1.00 .25 .00 .75 1.25 1.00 .00 1.25 .75 1.50 .25 .50 .75

Cost 51 43 57 55 43 46 58 48 45 60 58 59 42 49 51

Here susceptibility be some beneficial instruction.

Rain Variable Consume Variable

Mean = .683 Medium = 51.0

Variance = .210 Variance = 41.3

Sum (values medium)2= 2.933 Sum (values medium)2= 578.0

Covariance of Rain and Consume = 2.16 Correlation of Rain and Consume = .732

*pS*= 20.76

1. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

2. What is the expend resource supposition for this scenario?

a. The quantity of rain is not kindred to the consume of the coffee.

b. The quantity of rain is kindred to the consume of the coffee.

c. The quantity of rain is corkindred delay the consume of the coffee.

d. The quantity of rain is not corkindred delay the consume of the coffee.

e. Both a. and d.

f. Both b. and c.

g. None of the aloft

2

3. Given the numerical instruction aloft, what is the compute of r? __________

4. What is (are) the precarious compute(s) for this scenario?

a. - 2.160 b. 2.160 c. +/- 2.048 d. +/- 2.160 e. +/- 2.131 f. +/- 2.145

5. If the results were unshaken to be telling, which of the disposals beneath is amend?

a. The quantity of rain is kindred to the consume of the coffee.

b. The quantity of rain is not kindred to the consume of the coffee.

c. Eminent quantitys of rain are kindred to eminent coffee prices.

d. Eminent quantitys of rain are kindred to inferior coffee prices.

e. Reject H0

f. Fail to Reject H0

g. None of the aloft

6. If the results were unshaken to be uninfluential, which of the disposals beneath is amend?

a. The quantity of rain is kindred to the consume of the coffee.

b. The quantity of rain is not kindred to the consume of the coffee.

c. Eminent quantitys of rain are kindred to eminent coffee prices.

d. Eminent quantitys of rain are kindred to inferior coffee prices.

e. Reject H0

f. Fail to Reject H0

g. None of the aloft

3

**Scenario 2: Use the subjoined for drifts 7 through 11.**One of the most telling changes in American

moving making in the elapsed 10 years is the dreadful acception in movies which either reach Zombies or

Vampires as the accessible discourse. Ten years ago half of all Americans considerd that vampires substantially remain. My

topic is "do late Americans consider that vampires substantially remain than 10 years ago?" To harangue this

question, I asked 100 adult citizens of the United States "Do you consider that vampires substantially remain: Yes or

No?" Here are the results for the fruit of concern: Yes (f = 57).

7. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

8. In the treatment of this scenario, which of the subjoined is the most expend HA?

a. Vampires remain

b. Late vampires remain today than did 10 years ago

c. Vampires remain or they don't

d. Late than half of all Americans consider that vampires remain

e. The corresponding symmetry of Americans consider vampires remain as don't

9. What is the compute of the precarious compute?

a. - 1.645 b. 1.645 c. 1.645 d. 1.96 e. .05

10. What is the compute of the cupel statistic? (rotund off to 2 decimal places) __________

11. For this drift singly, if TS

appropriate?

a. Fail to Reject H0, late than half of all Americans consider that vampires remain

b. Fail to Reject H0, the corresponding symmetry of Americans consider vampires remain as don't

c. Fail to Reject H0, a opposed symmetry of Americans consider vampires remain as don't

d. Reject H0, late than half of all Americans consider that vampires remain

e. Reject H0, the corresponding symmetry of Americans consider vampires remain as don't

f. Reject H0, a opposed symmetry of Americans consider vampires remain as don't

4

**Scenario 3: Use the subjoined for drifts 12 though 16.**Do individuals who reach served in the soldierly reach a resembling or opposed conviction than individuals who reachn't served in the soldierly environing our soldierly closeness in Afghanistan? To tally this topic I asked a scantling of 100 individuals who reach served in the soldierly and a scantling of 100 individuals who reachn't served in the soldierly the subjoined, "do you consider that we scarcity to endure to reach a soldierly closeness in Afghanistan: Yes, No?

Continued Closeness in Afghanistan

Yes No

12. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

13. In the treatment of this scenario, which of the subjoined is the most expend HA?

a. Having served in Afghanistan is kindred to credence in a endured soldierly closeness in Afghanistan

b. Having served in Afghanistan is not kindred to credence in a endured soldierly closeness in Afghanistan

c. Those who reach served in the soldierly obtain reach a resembling conviction environing a endured soldierly closeness

in Afghanistan as those who reachn't served in the soldierly.

d. Those who reach served in the soldierly obtain not reach a resembling conviction environing a endured soldierly

closeness in Afghanistan as those who reachn't served in the soldierly.

14. What is the compute of the precarious compute? __________

15. What is the compute of the cupel statistic? (rotund off to 2 decimal places) __________

16. For this drift singly, if TS > CV, then which of the subjoined disposals is most expend?

a. Fail to Reject H0

b. Reject H0

c. Those who reach served in the soldierly obtain reach a resembling conviction environing a endured soldierly closeness

in Afghanistan as those who reachn't served in the soldierly.

d. Those who reach served in the soldierly obtain not reach a resembling conviction environing a endured soldierly

closeness in Afghanistan as those who reachn't served in the soldierly.

e. Those who reach served in the soldierly are late mitigated consider to that we should not endure to reach

a endured soldierly closeness in Afghanistan and that those who reachn't served in the soldierly are

late mitigated to consider that we should endure to reach a endured soldierly closeness in Afghanistan.

Have Served

20

80

Haven't Served

70

30

5

**Scenario 4: Use the subjoined for drifts 17 though 21.**Do freshmen or seniors reach late fun? To tally this topic, I asked a aimclose scantling of 13 freshmen and a aimclose scantling of 12 seniors, "What percent of the elapsed academic year has been fun: 0 = 0%, 1 = 10%, 2 = 20%, 3 = 30%, ... , 9 = 90%, or 10 = 100%?" Here are the results

Sample Mean

Freshmen 6.1

Seniors 7.7

17. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

18. In the treatment of this scenario, which of the subjoined is the most expend H0?

a. Senior and freshmen reach the corresponding quantity of fun

b. Senior and freshmen don't reach the corresponding quantity of fun

c. Seniors reach late fun than freshmen

d. Seniors reach close fun than freshmen

e. Late seniors reach fun than freshmen

19. In the treatment of this scenario, which of the subjoined is the most expend HA?

a. Senior and freshmen reach the corresponding quantity of fun

b. Senior and freshmen don't reach the corresponding quantity of fun

c. Seniors reach late fun than freshmen

d. Seniors reach close fun than freshmen

e. Late seniors reach fun than freshmen

20. Calculate the compute ofd. __________

21. If the statistical determination was to Reject H0, then which of the subjoined is the most expend disposal?

a. Senior and freshmen reach the corresponding quantity of fun

b. Senior and freshmen don't reach the corresponding quantity of fun

c. Seniors reach late fun than freshmen

d. Seniors reach close fun than freshmen

e. Late seniors reach fun than freshmen

6

**Scenario 5: Use the subjoined for drifts 22 though 26.**Do women reach urgency at composition to prosper an indicated apparel ordain? To brave this topic, I asked a scantling of 120 administrative women delayin the corresponding association in Denver the subjoined topic, Do you reach urgencyd to prosper an indicated apparel ordain at composition: Not at All, Sometimes, or Definitely

Pressured

Not at All Casually Definitely

22. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

23. In the treatment of this scenario, which of the subjoined is the most expend HA?

a. Women definitely reach urgencyd at composition to prosper an indicated apparel ordain

b. Women reach analogous not at all, casually, and definitely urgencyd at composition to prosper an indicated

apparel ordain

c. Women don't reach analogous not at all, casually, and definitely urgencyd at composition to prosper an

indicated apparel ordain

d. Do women reach urgencyd at composition to prosper an indicated apparel ordain

24. What is the compute of the precarious compute? __________

25. What is the compute of the cupel statistic? (rotund off to 2 decimal places) __________

26. For this drift singly, if the compute of the TS > the compute of the CV, then which of the subjoined is the most expend statistical determination and disposal?

a. Reject H0, women don't reach analogous not at all, casually, and definitely urgencyd at composition to prosper an

indicated apparel ordain

b. Reject H0, women reach analogous not at all, casually, and definitely urgencyd at composition to prosper an

indicated apparel ordain

c. Reject H0, women definitely reach urgencyd at composition to prosper an indicated apparel ordain

d. Fail to Reject H0, women don't reach analogous not at all, casually, and definitely urgencyd at composition to

prosper an indicated apparel ordain

e. Fail to Reject H0, women reach analogous not at all, casually, and definitely urgencyd at composition to

prosper an indicated apparel ordain

f. Fail to Reject H0, women definitely reach urgencyd at composition to prosper an indicated apparel ordain

10

40

70

7

**Scenario 6: Use the subjoined for drifts 27 though 32.**Is the auspicious example of the extra reputation drifts kindred to the remove in the route? To tally this topic, I took the axioms from our online Stat 2070 route this gravitate forthcoming the example of the assist cupel. For all 115 students I unshaken

Variable 1: How divers extra reputation points were earned through cupel 2 using the lamina: 0, 1 to 5, 6 to 10, or 11+

Variable 2: Present remove in the route forthcoming cupel 2: A, B, C, or D/F

Here are the authentic axioms: Present Route Grade

A B C D/F

0

Extra 1 to 5

Credit 6 to 10

Points 11+

27. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

28. In the treatment of this scenario, which of the subjoined is the most expend HA?

a. Extra reputation points earned is kindred to present route remove

b. Students delay 11+ extra reputation points are late mitigated to reach a present route remove of A

c. Students delay 0 extra reputation points are late mitigated to reach a present route remove of D/F

d. b. and c.

29. Calculate the compute of E for the (2,3) cell. (rotund off to 2 decimal places) __________

30. What is the compute of the precarious compute? __________

31. In these axioms the cell (1,4) and the cell (4,1) reach the 2 largest + (O-E) computes. What is the expend disposal naturalized on the statistical determination to Fail to Reject H0?

a. Extra reputation points earned is not kindred to present route remove

b. Students delay 11+ extra reputation points are late mitigated to reach a present route remove of A

c. Students delay 0 extra reputation points are late mitigated to reach a present route remove of D/F

d. b. and c.

32. In these axioms the cell (1,4) and the cell (4,1) reach the 2 largest + (O-E) computes. What is the expend disposal naturalized on the statistical determination to Reject H0?

a. Extra reputation points earned is kindred to present route remove

b. Students delay 11+ extra reputation points are late mitigated to reach a present route remove of A

c. Students delay 0 extra reputation points are late mitigated to reach a present route remove of D/F

d. b. and c.

0

5

5

12

2

10

15

4

10

6

17

3

12

7

7

0

8

**Scenario 7: Use the subjoined for drifts 33 though 39.**Which of the 2 drifts, the implementation of

Obamacare or reducing the nonpayment, poses a superior promote to our economic advenient?" To tally this, I asked the

subjoined topic to a scantling of 900 economists, Which of the subjoined two issues poses the superior promote to

our economic advenient: implementation of Obamacare (Obamacare) or reducing the nonpayment (Deficit) a= .05

[Let the fruit of concern be Obamacare]

Here are the results from this survey: Fruit f

Obamacare 513

Deficit 387

33. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

34. Given the instruction presented in the scenario, the expend inoperative supposition is

a. Obamacare and Nonpayment are analogous promotey

b. Obamacare is kindred to Deficit

c. Obamacare is close of a promote than Deficit

d. Obamacare and Nonpayment are not analogous promotey

e. Obamacare is not kindred to Deficit

35. Given the instruction presented in the scenario, the expend resource supposition is

a. Obamacare and Nonpayment are analogous promotey

b. Obamacare is kindred to Deficit

c. Obamacare is close of a promote than Deficit

d. Obamacare and Nonpayment are not analogous promotey

e. Obamacare is not kindred to Deficit

36. What is the numerical compute of *p* ? (rotund off to 2 decimal places) __________

37. What is the numerical compute of p ? (rotund off to 2 decimal places) __________

38. If - CV

a. Reject H0b. Fail to Reject H0c. Not plenty instruction contributed to tally this topic

39. If we Reject H0, then our disposal for this scenario and these axioms would be

a. Obamacare and Nonpayment are analogous promotey

b. Obamacare is a superior promote than Deficit

c. Obamacare is close of a promote than Deficit

d. Obamacare and Nonpayment are not analogous promotey

9

**Scenario 8: Use the subjoined for drifts 40 though 45.**Do you reach late unendangered riding the subway in New

York City or in Washington, D.C.? I asked a scantling of riders of the NYC subway and another scantling of riders

of the DC subway the subjoined topic, How unendangered do you reach riding the subway;

0 = Not Unendangered at All, 1 = It is scary, ., 9 = Very Safe, 10 = So Unendangered that I never fancy environing it

n Medium Variance

NYC Scantling 10 4.0 2.8

DC Scantling 10 5.5 2.0

40. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

41. What is the expend resource supposition for this scenario?

a. Subway riders don't reach analogous unendangered in New York City and in Washington D.C.

b. Subway riders reach unendangeredr in New York City than in Washington D.C.

c. Subway riders reach unendangeredr in Washington D.C. than in New York City

d. Subway riders reach analogous unendangered in New York City and in Washington D.C.

42. What are the degrees of immunity for the expend cupel statistic? ________

43. Calculate the compute of2

*pS*. (rotund off to 2 decimal places) ________

44. If we Reject H0, then which of the subjoined is the most expend disposal?

a. Subway riders don't reach analogous unendangered in New York City and in Washington D.C.

b. Subway riders reach unendangeredr in New York City than in Washington D.C.

c. Subway riders reach unendangeredr in Washington D.C. than in New York City

d. Subway riders reach analogous unendangered in New York City and in Washington D.C.

45. If we Fail to Reject H0, then which of the subjoined is the most expend disposal?

a. Subway riders don't reach analogous unendangered in New York City and in Washington D.C.

b. Subway riders reach unendangeredr in New York City than in Washington D.C.

c. Subway riders reach unendangeredr in Washington D.C. than in New York City

d. Subway riders reach analogous unendangered in New York City and in Washington D.C.

10

**Scenario 9: Use the subjoined for drifts 46 though 50.**It has been hypothesized that the late cowardly a individual becomes the close instruction s/he seems to bear-in-mind. In ordain to brave this guest, I had a unoccupied-time scantling of 30 individuals tend the loathing movie "The Ring" and asked them "On a lamina of 0 (not cowardly at all) to 10 (Extremely cowardly), how cowardly were you?" I then gave them a recollection cupel of 10 events shown in the movie. Each of the 30 individuals prevalent a beak (the enumerate of events they recalled amendly) on the recollection cupel from 0 to 10. Here are some results [Sp2= 2.5, r = - .53] and

Standard

Mean Deviation

How cowardly were you 8.5 2.4

Memory cupel 4.3 2.6

46. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

47. In the treatment of this scenario, which of the subjoined is the most expend resource supposition?

a. How cowardly a individual becomes is kindred to her/his beak on the recollection cupel

b. How cowardly a individual becomes is not kindred to her/his beak on the recollection cupel

c. The late cowardly a individual becomes the inferior her/his beak on the recollection cupel

d. The late cowardly a individual becomes the eminent her/his beak on the recollection cupel

e. The how cowardly medium is eminent than the recollection cupel medium

48. What is the compute of the precarious compute?

a. - 2.048 b. - 1.697 c. - 1.701 d. 2.048 e. 3.84

49. What is the compute of the cupel statistic? (rotund off to 2 decimal places) __________

50. For this drift singly, if the statistical determination was to Reject H0, then which of the subjoined tallys is the most expend disposal?

a. How cowardly a individual becomes is kindred to her/his beak on the recollection cupel

b. How cowardly a individual becomes is categorically kindred to her/his beak on the recollection cupel

c. How cowardly a individual becomes is negatively kindred to her/his beak on the recollection cupel

d. How cowardly a individual becomes is superior than her/his beak on the recollection cupel

e. None of the abo

Statistics 2070 Gravitate 2013

Test Enumerate 3**There are 50 drifts.**

Units 2, 3, 4, 6, 7, 11 through 15, 18**Each drift is merit 2% or 7 points.**

**Due: TUESDAY, December 10 at 8:00 PM**

**When you are asked to contribute the precarious compute, fascinate voicelessness that there may be 1 or 2 (+ and -) computes.**

**Scenario 1: Use the subjoined for drifts 1 though 6.**There are a enumerate of things that are kindred to the

consume of coffee; such as consumer require, governmental help of coffee growers, climatic provisions, etc. In

this drift we are singly going to be unquiet environing the quantity of raingravitate during the harvesting season;

specifically is the quantity of raingravitate kindred to the consume of coffee. Our two variables of concern are

Rain enumerate of inches of rain during the harvesting season

Cost consume (cents) per triturate of coffee that the grower gets

Here are the axioms from 15 opposed regions in Columbia.

Region of Columbia

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Rain .50 .50 1.00 .25 .00 .75 1.25 1.00 .00 1.25 .75 1.50 .25 .50 .75

Cost 51 43 57 55 43 46 58 48 45 60 58 59 42 49 51

Here susceptibility be some beneficial instruction.

Rain Variable Consume Variable

Mean = .683 Medium = 51.0

Variance = .210 Variance = 41.3

Sum (values medium)2= 2.933 Sum (values medium)2= 578.0

Covariance of Rain and Consume = 2.16 Correlation of Rain and Consume = .732

*pS*= 20.76

1. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

2. What is the expend resource supposition for this scenario?

a. The quantity of rain is not kindred to the consume of the coffee.

b. The quantity of rain is kindred to the consume of the coffee.

c. The quantity of rain is corkindred delay the consume of the coffee.

d. The quantity of rain is not corkindred delay the consume of the coffee.

e. Both a. and d.

f. Both b. and c.

g. None of the aloft

2

3. Given the numerical instruction aloft, what is the compute of r? __________

4. What is (are) the precarious compute(s) for this scenario?

a. - 2.160 b. 2.160 c. +/- 2.048 d. +/- 2.160 e. +/- 2.131 f. +/- 2.145

5. If the results were unshaken to be telling, which of the disposals beneath is amend?

a. The quantity of rain is kindred to the consume of the coffee.

b. The quantity of rain is not kindred to the consume of the coffee.

c. Eminent quantitys of rain are kindred to eminent coffee prices.

d. Eminent quantitys of rain are kindred to inferior coffee prices.

e. Reject H0

f. Fail to Reject H0

g. None of the aloft

6. If the results were unshaken to be uninfluential, which of the disposals beneath is amend?

a. The quantity of rain is kindred to the consume of the coffee.

b. The quantity of rain is not kindred to the consume of the coffee.

c. Eminent quantitys of rain are kindred to eminent coffee prices.

d. Eminent quantitys of rain are kindred to inferior coffee prices.

e. Reject H0

f. Fail to Reject H0

g. None of the aloft

3

**Scenario 2: Use the subjoined for drifts 7 through 11.**One of the most telling changes in American

moving making in the elapsed 10 years is the dreadful acception in movies which either reach Zombies or

Vampires as the accessible discourse. Ten years ago half of all Americans considerd that vampires substantially remain. My

topic is "do late Americans consider that vampires substantially remain than 10 years ago?" To harangue this

question, I asked 100 adult citizens of the United States "Do you consider that vampires substantially remain: Yes or

No?" Here are the results for the fruit of concern: Yes (f = 57).

7. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

8. In the treatment of this scenario, which of the subjoined is the most expend HA?

a. Vampires remain

b. Late vampires remain today than did 10 years ago

c. Vampires remain or they don't

d. Late than half of all Americans consider that vampires remain

e. The corresponding symmetry of Americans consider vampires remain as don't

9. What is the compute of the precarious compute?

a. - 1.645 b. 1.645 c. 1.645 d. 1.96 e. .05

10. What is the compute of the cupel statistic? (rotund off to 2 decimal places) __________

11. For this drift singly, if TS

appropriate?

a. Fail to Reject H0, late than half of all Americans consider that vampires remain

b. Fail to Reject H0, the corresponding symmetry of Americans consider vampires remain as don't

c. Fail to Reject H0, a opposed symmetry of Americans consider vampires remain as don't

d. Reject H0, late than half of all Americans consider that vampires remain

e. Reject H0, the corresponding symmetry of Americans consider vampires remain as don't

f. Reject H0, a opposed symmetry of Americans consider vampires remain as don't

4

**Scenario 3: Use the subjoined for drifts 12 though 16.**Do individuals who reach served in the soldierly reach a resembling or opposed conviction than individuals who reachn't served in the soldierly environing our soldierly closeness in Afghanistan? To tally this topic I asked a scantling of 100 individuals who reach served in the soldierly and a scantling of 100 individuals who reachn't served in the soldierly the subjoined, "do you consider that we scarcity to endure to reach a soldierly closeness in Afghanistan: Yes, No?

Continued Closeness in Afghanistan

Yes No

12. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

13. In the treatment of this scenario, which of the subjoined is the most expend HA?

a. Having served in Afghanistan is kindred to credence in a endured soldierly closeness in Afghanistan

b. Having served in Afghanistan is not kindred to credence in a endured soldierly closeness in Afghanistan

c. Those who reach served in the soldierly obtain reach a resembling conviction environing a endured soldierly closeness

in Afghanistan as those who reachn't served in the soldierly.

d. Those who reach served in the soldierly obtain not reach a resembling conviction environing a endured soldierly

closeness in Afghanistan as those who reachn't served in the soldierly.

14. What is the compute of the precarious compute? __________

15. What is the compute of the cupel statistic? (rotund off to 2 decimal places) __________

16. For this drift singly, if TS > CV, then which of the subjoined disposals is most expend?

a. Fail to Reject H0

b. Reject H0

in Afghanistan as those who reachn't served in the soldierly.

closeness in Afghanistan as those who reachn't served in the soldierly.

e. Those who reach served in the soldierly are late mitigated consider to that we should not endure to reach

a endured soldierly closeness in Afghanistan and that those who reachn't served in the soldierly are

late mitigated to consider that we should endure to reach a endured soldierly closeness in Afghanistan.

Have Served

20

80

Haven't Served

70

30

5

**Scenario 4: Use the subjoined for drifts 17 though 21.**Do freshmen or seniors reach late fun? To tally this topic, I asked a aimclose scantling of 13 freshmen and a aimclose scantling of 12 seniors, "What percent of the elapsed academic year has been fun: 0 = 0%, 1 = 10%, 2 = 20%, 3 = 30%, ... , 9 = 90%, or 10 = 100%?" Here are the results

Sample Mean

Freshmen 6.1

Seniors 7.7

17. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

18. In the treatment of this scenario, which of the subjoined is the most expend H0?

a. Senior and freshmen reach the corresponding quantity of fun

b. Senior and freshmen don't reach the corresponding quantity of fun

c. Seniors reach late fun than freshmen

d. Seniors reach close fun than freshmen

e. Late seniors reach fun than freshmen

19. In the treatment of this scenario, which of the subjoined is the most expend HA?

a. Senior and freshmen reach the corresponding quantity of fun

b. Senior and freshmen don't reach the corresponding quantity of fun

c. Seniors reach late fun than freshmen

d. Seniors reach close fun than freshmen

e. Late seniors reach fun than freshmen

20. Calculate the compute ofd. __________

21. If the statistical determination was to Reject H0, then which of the subjoined is the most expend disposal?

a. Senior and freshmen reach the corresponding quantity of fun

b. Senior and freshmen don't reach the corresponding quantity of fun

c. Seniors reach late fun than freshmen

d. Seniors reach close fun than freshmen

e. Late seniors reach fun than freshmen

6

**Scenario 5: Use the subjoined for drifts 22 though 26.**Do women reach urgency at composition to prosper an indicated apparel ordain? To brave this topic, I asked a scantling of 120 administrative women delayin the corresponding association in Denver the subjoined topic, Do you reach urgencyd to prosper an indicated apparel ordain at composition: Not at All, Sometimes, or Definitely

Pressured

Not at All Casually Definitely

22. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

23. In the treatment of this scenario, which of the subjoined is the most expend HA?

a. Women definitely reach urgencyd at composition to prosper an indicated apparel ordain

b. Women reach analogous not at all, casually, and definitely urgencyd at composition to prosper an indicated

apparel ordain

c. Women don't reach analogous not at all, casually, and definitely urgencyd at composition to prosper an

indicated apparel ordain

d. Do women reach urgencyd at composition to prosper an indicated apparel ordain

24. What is the compute of the precarious compute? __________

25. What is the compute of the cupel statistic? (rotund off to 2 decimal places) __________

26. For this drift singly, if the compute of the TS > the compute of the CV, then which of the subjoined is the most expend statistical determination and disposal?

a. Reject H0, women don't reach analogous not at all, casually, and definitely urgencyd at composition to prosper an

indicated apparel ordain

b. Reject H0, women reach analogous not at all, casually, and definitely urgencyd at composition to prosper an

indicated apparel ordain

c. Reject H0, women definitely reach urgencyd at composition to prosper an indicated apparel ordain

d. Fail to Reject H0, women don't reach analogous not at all, casually, and definitely urgencyd at composition to

prosper an indicated apparel ordain

e. Fail to Reject H0, women reach analogous not at all, casually, and definitely urgencyd at composition to

prosper an indicated apparel ordain

f. Fail to Reject H0, women definitely reach urgencyd at composition to prosper an indicated apparel ordain

10

40

70

7

**Scenario 6: Use the subjoined for drifts 27 though 32.**Is the auspicious example of the extra reputation drifts kindred to the remove in the route? To tally this topic, I took the axioms from our online Stat 2070 route this gravitate forthcoming the example of the assist cupel. For all 115 students I unshaken

Variable 1: How divers extra reputation points were earned through cupel 2 using the lamina: 0, 1 to 5, 6 to 10, or 11+

Variable 2: Present remove in the route forthcoming cupel 2: A, B, C, or D/F

Here are the authentic axioms: Present Route Grade

A B C D/F

0

Extra 1 to 5

Credit 6 to 10

Points 11+

27. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

28. In the treatment of this scenario, which of the subjoined is the most expend HA?

a. Extra reputation points earned is kindred to present route remove

d. b. and c.

29. Calculate the compute of E for the (2,3) cell. (rotund off to 2 decimal places) __________

30. What is the compute of the precarious compute? __________

31. In these axioms the cell (1,4) and the cell (4,1) reach the 2 largest + (O-E) computes. What is the expend disposal naturalized on the statistical determination to Fail to Reject H0?

a. Extra reputation points earned is not kindred to present route remove

d. b. and c.

32. In these axioms the cell (1,4) and the cell (4,1) reach the 2 largest + (O-E) computes. What is the expend disposal naturalized on the statistical determination to Reject H0?

a. Extra reputation points earned is kindred to present route remove

d. b. and c.

0

5

5

12

2

10

15

4

10

6

17

3

12

7

7

0

8

**Scenario 7: Use the subjoined for drifts 33 though 39.**Which of the 2 drifts, the implementation of

Obamacare or reducing the nonpayment, poses a superior promote to our economic advenient?" To tally this, I asked the

subjoined topic to a scantling of 900 economists, Which of the subjoined two issues poses the superior promote to

our economic advenient: implementation of Obamacare (Obamacare) or reducing the nonpayment (Deficit) a= .05

[Let the fruit of concern be Obamacare]

Here are the results from this survey: Fruit f

Obamacare 513

Deficit 387

33. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

34. Given the instruction presented in the scenario, the expend inoperative supposition is

a. Obamacare and Nonpayment are analogous promotey

b. Obamacare is kindred to Deficit

c. Obamacare is close of a promote than Deficit

d. Obamacare and Nonpayment are not analogous promotey

e. Obamacare is not kindred to Deficit

35. Given the instruction presented in the scenario, the expend resource supposition is

a. Obamacare and Nonpayment are analogous promotey

b. Obamacare is kindred to Deficit

c. Obamacare is close of a promote than Deficit

d. Obamacare and Nonpayment are not analogous promotey

e. Obamacare is not kindred to Deficit

36. What is the numerical compute of *p* ? (rotund off to 2 decimal places) __________

37. What is the numerical compute of p ? (rotund off to 2 decimal places) __________

38. If - CV

a. Reject H0b. Fail to Reject H0c. Not plenty instruction contributed to tally this topic

39. If we Reject H0, then our disposal for this scenario and these axioms would be

a. Obamacare and Nonpayment are analogous promotey

b. Obamacare is a superior promote than Deficit

c. Obamacare is close of a promote than Deficit

d. Obamacare and Nonpayment are not analogous promotey

9

**Scenario 8: Use the subjoined for drifts 40 though 45.**Do you reach late unendangered riding the subway in New

York City or in Washington, D.C.? I asked a scantling of riders of the NYC subway and another scantling of riders

of the DC subway the subjoined topic, How unendangered do you reach riding the subway;

0 = Not Unendangered at All, 1 = It is scary, ., 9 = Very Safe, 10 = So Unendangered that I never fancy environing it

n Medium Variance

NYC Scantling 10 4.0 2.8

DC Scantling 10 5.5 2.0

40. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

41. What is the expend resource supposition for this scenario?

a. Subway riders don't reach analogous unendangered in New York City and in Washington D.C.

b. Subway riders reach unendangeredr in New York City than in Washington D.C.

c. Subway riders reach unendangeredr in Washington D.C. than in New York City

d. Subway riders reach analogous unendangered in New York City and in Washington D.C.

42. What are the degrees of immunity for the expend cupel statistic? ________

43. Calculate the compute of2

*pS*. (rotund off to 2 decimal places) ________

44. If we Reject H0, then which of the subjoined is the most expend disposal?

a. Subway riders don't reach analogous unendangered in New York City and in Washington D.C.

b. Subway riders reach unendangeredr in New York City than in Washington D.C.

c. Subway riders reach unendangeredr in Washington D.C. than in New York City

d. Subway riders reach analogous unendangered in New York City and in Washington D.C.

45. If we Fail to Reject H0, then which of the subjoined is the most expend disposal?

a. Subway riders don't reach analogous unendangered in New York City and in Washington D.C.

b. Subway riders reach unendangeredr in New York City than in Washington D.C.

c. Subway riders reach unendangeredr in Washington D.C. than in New York City

d. Subway riders reach analogous unendangered in New York City and in Washington D.C.

10

**Scenario 9: Use the subjoined for drifts 46 though 50.**It has been hypothesized that the late cowardly a individual becomes the close instruction s/he seems to bear-in-mind. In ordain to brave this guest, I had a unoccupied-time scantling of 30 individuals tend the loathing movie "The Ring" and asked them "On a lamina of 0 (not cowardly at all) to 10 (Extremely cowardly), how cowardly were you?" I then gave them a recollection cupel of 10 events shown in the movie. Each of the 30 individuals prevalent a beak (the enumerate of events they recalled amendly) on the recollection cupel from 0 to 10. Here are some results [Sp2= 2.5, r = - .53] and

Standard

Mean Deviation

How cowardly were you 8.5 2.4

Memory cupel 4.3 2.6

46. The expend cupel locality for this scenario is

a. One Scantling Proportion

b. Multinomial

c. Homogeneity

d. Independent Samples t

e. Correlation

f. Independence

47. In the treatment of this scenario, which of the subjoined is the most expend resource supposition?

a. How cowardly a individual becomes is kindred to her/his beak on the recollection cupel

b. How cowardly a individual becomes is not kindred to her/his beak on the recollection cupel

c. The late cowardly a individual becomes the inferior her/his beak on the recollection cupel

d. The late cowardly a individual becomes the eminent her/his beak on the recollection cupel

e. The how cowardly medium is eminent than the recollection cupel medium

48. What is the compute of the precarious compute?

a. - 2.048 b. - 1.697 c. - 1.701 d. 2.048 e. 3.84

49. What is the compute of the cupel statistic? (rotund off to 2 decimal places) __________

50. For this drift singly, if the statistical determination was to Reject H0, then which of the subjoined tallys is the most expend disposal?

a. How cowardly a individual becomes is kindred to her/his beak on the recollection cupel

b. How cowardly a individual becomes is categorically kindred to her/his beak on the recollection cupel

c. How cowardly a individual becomes is negatively kindred to her/his beak on the recollection cupel

d. How cowardly a individual becomes is superior than her/his beak on the recollection cupel

e. None of the abo