Psyk500 study guide | Mathematics homework help


Question 1

  1. What adaptation of a recognized dispensation is located in the subordination adown z = 2.00?

 

a.

0.9772

[removed]

b.

0.4772

 

c.

0.0228

 

d.

0.0456

Question 2

  1. In partition of hostility, each refractory wavering is referred to as a ____.

 

a.

stage

[removed]

b.

comparison

 

c.

factor

[removed]

d.

level

Question 3

  1. Which development is expected if the vain supposture is penny for an partition of hostility?

 

a.

SSbetween should be environing the selfselfselfidentical magnitude as SSwithin.

 

b.

MSbetween should be environing the selfselfselfidentical magnitude as MSwithin.

[removed]

c.

SSbetween should be environing the selfselfselfidentical magnitude as SStotal.

[removed]

d.

MSbetween should be environing the selfselfselfidentical magnitude as MStotal.

Question 4

  1. A explorationer appraises IQ and impressiveness for a cluster of propaganda students. What peel of mutuality is slight to be obtained for these two waverings?

 

a.

a mutuality adjacent one

 

b.

a definitive mutuality

 

c.

a mutuality adjacent naught

[removed]

d.

a denying mutuality

Question 5

  1. A specimen of estrangement accounts has a coderation of MD = 5 behind a while a hostility of s2 = 100. If amiable-natureds magnitude is appraised using Cohen’s d, what is the rate of d?

 

a.

This cannot be commencemented behind a whileout sagacious the specimen magnitude.

 

b.

d = 25/100

 

c.

d = 5/100

 

d.

d = 5/10

Question 6

  1. What is the rate of the median for the forthcoming set of accounts? Scores: 1, 3, 4, 6, 7, 8, 12, 23

 

a.

6.5

 

b.

8

 

c.

6

 

d.

7

   

Question 7

  1. The forthcoming X and Y accounts unimpaired SSX = 2 and SP = 8. What is the retrogression equation for predicting Y?

 

X         Y

1          2

2          3

3          10

 

a.

Y = 0.25X + 4.5

 

b.

Y = 0.25X – 4.5

 

c.

Y = 4X – 3

[removed]

d.

Y = 4X + 3

Question 8

  1. For a repeated-measures consider comparing three texture provisions behind a while a specimen of n = 4 participants, what are the degrees of insubservience for the repeated-measures F-ratio?

[removed]

a.

2, 11

 

b.

2, 6

 

c.

2, 9

[removed]

d.

3, 11

Question 9

  1. What is the rate of Σ(X – 2 )2 for the forthcoming accounts? Scores: 2, 3, 5

 

a.

36

 

b.

10

[removed]

c.

16

[removed]

d.

8

If specimen hostility is computed by dividing SS by df = n – 1, then the medium rate of the specimen hostilitys from all the feasible purposenigh specimens accomplish be ____ the population hostility.

 

a.

unrelated to

 

b.

exactly resembling to

 

c.

smaller than

[removed]

d.

larger than

Question 11

  1. The percentage of hostility accounted for by the texture amiable-natureds is usually public as _____ in published announces of ANOVA consequences.

 

a.

η2

 

b.

α2

 

c.

σ2

 

d.

µ2

Question 12

  1. In unconcealed, what satisfieds are most slight to refuse the vain supposture for an ANOVA?

 

a.

wide coderation estrangements and brief hostilitys

 

b.

brief coderation estrangements and wide hostilitys

 

c.

wide coderation estrangements and wide hostilitys

 

d.

brief coderation estrangements and brief hostilitys

Question 13

  1. In a two-satisfied trial behind a while two razes of satisfied A and two razes of satisfied B, three of the texture coderations are essentially identical and one is in-commodities divergent from the others. What consequence(s) would be unimpairedd by this specimen of texture coderations?

[removed]

a.

a deep amiable-natureds for satisfied B

[removed]

b.

a deep amiable-natureds for satisfied A

[removed]

c.

deep amiable-naturedss for twain A and B, and an interaction

[removed]

d.

an interaction unarranged A and B

Question 14

  1. A repeated-measures ANOVA has SSunarranged textures = 26 and SSunarranged subjects = 12. For this partition, what is the rate for SSerror?

Question 15

  1. For a population behind a while a banner loseure of σ = 6, what is the z-account identical to a account that is 12 aims overhead the coderation?

 

a.

z = 2

 

b.

z = 1

 

c.

z = 6

 

d.

z = 12

Question 16

  1. A specimen consists of n = 16 accounts. How abundant of the accounts are used to consider the rove?

Question 17

  1. A multiple-choice trial behind a while 48 interrogations has indecent choices for each interrogation. What is the air of getting past than 12 interrogations rectify by reasonable guessing?

 

a.

0.0675

 

b.

0.4325

 

c.

0.5000

 

d.

0.5675

Question 18

  1. A supposture trial unimpaireds a t statistic of t = 2.20. If the explorationer is using a two-tailed trial behind a while α = .05, how wide does the specimen accept to be in apaim to refuse the vain supposition?

 

a.

At last n = 14

 

b.

At last n = 12

 

c.

At last n = 13

[removed]

d.

At last n = 11

uestion 19

  1. For a liadjacent retrogression considerd for a specimen of n = 20 pairs of X and Y rates, what is the rate for degrees of insubservience for the predicted ingredient of the Y-account hostility, MSregression?

 

a.

19

 

b.

18

 

c.

1

[removed]

d.

2

Question 20

  1. A population has a coderation of µ = 30. If 3 aims are acquired to each account, what is the coderation for the new dispensation?

Question 21

  1. What is the median for the forthcoming set of accounts? Scores: 1, 2, 6, 11, 17

Question 22

  1. For a recognized population behind a while µ = 40 and σ = 10 which of the forthcoming specimens has the leading air of entity obtained?

 

a.

M = 42 for a specimen of n = 100

 

b.

M = 42 for a specimen of n = 4

[removed]

c.

M = 44 for a specimen of n = 4

[removed]

d.

M = 44 for a specimen of n = 100

Question 23

  1. The sum of the cleard loseure accounts is SS = 20 for a population of N = 5 accounts. What is the hostility for this population?

[removed]

a.

80

 

b.

100

 

c.

5

 

d.

4

Question 24

  1. A liadjacent retrogression equation has b = 3 and a = – 6. What is the predicted rate of Y for X = 4?

 

a.

 = –21

 

b.

 = 6

 

c.

This cannot be commencemented behind a whileout concomitant notification.

 

d.

 = –2

Question 25

  1. With α = .01 the two-tailed ticklish clime for a t trial using a specimen of n = 16 subjects would accept boundaries of ____.

 

a.

t = ±2.602

 

b.

t = ±2.947

 

c.

t = ±2.921

 

d.

t = ±2.583

Question 26

  1. In a specimen of n = 6 accounts, the briefest account is X = 3, the widest account is X = 10, and the coderation is M = 6. If the widest account is newfangled from X = 10 to X = 22, then what is the rate of the new coderation?

 

a.

The coderation is tranquil M = 6.

 

b.

The coderation is M = 8.

 

c.

The coderation is M=10.

 

d.

The coderation is M = 7.

Question 27

  1. For the dispensation in the forthcoming board, what is the 90th percentile?

X            c%

30-34   100%

25-29    90%

20-24   60%

15-19   20%

 

a.

X = 29

 

b.

X = 29.5

 

c.

X = 25

 

d.

X = 24.5

Question 28

  1. If other satisfieds are held perpetual, which set of specimen characteristics is most slight to refuse a vain supposture stating that m = 80?

 

a.

M = 90 and brief specimen hostility

 

b.

M = 85 and brief specimen hostility

 

c.

M = 90 and wide specimen hostility

 

d.

M = 85 and wide specimen hostility

Question 29

  1. For the forthcoming basis, what is SSunarranged subjects?

Treatments

Subject        I           II           III     P-totals

A                3            4            5             12         G = 27

B                1            1            4               6        ΣX2 = 109

C                2            1            6               9

             T = 6       T = 6           T = 15

             SS = 2     SS = 6         SS = 2

Question 30

  1. A set of 10 accounts has SS = 90. If the accounts are a specimen, the specimen hostility is ____ and if the accounts are a population, the population hostility is ____.

[removed]

a.

s2 = 10; σ2 = 9

[removed]

b.

s2 = 9; σ2 = 10

[removed]

c.

s2 = 9; σ2 = 9

[removed]

d.

s2 = 10; σ2 = 10

Question 31

  1. For a bell-shaped dispensation behind a while µ = 30, what is the most presumable rate for the code?

 

a.

0

 

b.

30

 

c.

superior than 30

 

d.

nigh than 30

Question 32

  1. Which of the forthcoming is penny for most dispensations?

 

a.

Around 30% of the accounts accomplish be located behind a whilein one banner loseure of the coderation.

 

b.

Around 90% of the accounts accomplish be located behind a whilein one banner loseure of the coderation.

 

c.

Around 70% of the accounts accomplish be located behind a whilein one banner loseure of the coderation.

 

d.

Around 50% of the accounts accomplish be located behind a whilein one banner loseure of the coderation.

Question 33

  1. A explorationer uses an partition of hostility to trial for coderation estrangements unarranged three textures behind a while a specimen of n = 12 in each texture. The F-kinsman for this partition would accept which df rates?

 

a.

df = 2, 33

 

b.

df = 2, 36

 

c.

df = 2, 35

 

d.

df = 2, 11

Question 34

  1. In a population behind a while σ = 8, a account of X = 44 corresponds to a z-account of z = –0.50. What is the population coderation?

 

a.

μ = 48

 

b.

μ = 36

 

c.

μ = 40

 

d.

μ = 52

Question 35

  1. A upexact length is drawn through a recognized dispensation at z = 0.80. What adaptation of the dispensation is on the exact-hand plane of the length?

 

a.

0.2119

 

b.

0.7881

 

c.

0.5762

 

d.

0.2881

Question 36

  1. What is the rate of ΣX2 for the forthcoming accounts? Scores: 1, 0, 2, 4

Question 37

  1. A explorationer conducts a repeated-measures consider to evaluate a texture behind a while a specimen of n = 16 participants and obtains a t statistic of t = 1.94. The texture is expected to acception accounts and the specimen coderation exhibitions an acception. What is the rectify determination for a supposture trial using α = .05?

 

a.

Reject the vain supposture behind a while either a one-tailed or a two-tailed trial.

 

b.

Fail to refuse the vain supposture behind a while a one-tailed trial but refuse behind a while two subordinations.

 

c.

Reject the vain supposture behind a while a one-tailed trial but lose to refuse behind a while two subordinations.

 

d.

Fail to refuse the vain supposture behind a while either a one-tailed or a two-tailed trial.

Question 38

  1. A dispensation of accounts has a coderation of µ = 50. One new account is acquired to the dispensation and the new coderation is establish to be µ = 48. From this consequence, you can infer that the new account was ____.

 

a.

superior than 50

 

b.

resembling to 48

 

c.

nigh than 50

 

d.

unarranged 50 and 52

Question 39

  1. A explorationer uses an authornigh contemplate to defy the consider action of American propaganda students. The undiminished cluster of American propaganda students is an in of a ____.

 

a.

sample

 

b.

statistic

 

c.

parameter

 

d.

population

Question 40

  1. A multiple retrogression equation behind a while two predictor waverings is considerd for a set of accounts. If the perpetual rates in the equation are b1 = 2, b2 = –3, and a = 7, then what Y rate would be predicted for an identical behind a while X1 = 2 and X2 = 4?

 

a.

41

 

b.

–1

 

c.

1

 

d.

17

Question 41

  1. An refractory-measures consider comparing two texture provisions unimpaireds a t statistic behind a while df = 18.If the two specimens are the selfselfselfidentical magnitude, how abundant participants were in each of the specimens?

Question 42

  1. Two severed specimens are entity used to venerate the estrangement unarranged population coderations for two texture provisions. Which of the forthcoming would unimpaired the widest self-reliance period?

 

a.

n1 =n2 = 20 behind a while a pooled hostility of 100

 

b.

n1 =n2 = 20 behind a while a pooled hostility of 10

 

c.

n1 =n2 = 10 behind a while a pooled hostility of 10

 

d.

n1 =n2 = 10 behind a while a pooled hostility of 100

Question 43

  1. For refractory-measures ANOVA, identical estrangements conduce to the hostility in the numerator and in the denominator of the F-ratio. What happens to the identical estrangements in the denominator of the F-kinsman for repeated-measures ANOVA?

 

a.

They are amplified in the denominator of the kinsman.

 

b.

They are appraised and subtracted out in of the partition order.

 

c.

They do not hold accordingly the selfselfselfidentical identicals share in all of the textures.

 

d.

They conduce to the hostility in the denominator.

Question 44

  1. If a estimate dispensation is exhibitionn in a bar graph, what lamina was used to appraise the accounts?

 

a.

nominal

 

b.

ratio

 

c.

period or kinsman

 

d.

nominal or ordinal

Question 45

  1. Given a population behind a while coderation m = 60, which of the forthcoming rates for the population banner loseure would principle X = 68 to accept the most distant posture in the dispensation?

 

a.

σ = 2

 

b.

σ = 5

 

c.

σ = 12

 

d.

σ = 3

Question 46

  1. On an exam behind a while μ = 52, you accept a account of X = 56. Which of the forthcoming rates for the banner loseure would present you the leading posture in the tabulate dispensation?

 

a.

σ = 8

 

b.

σ = 4

 

c.

σ = 10

[removed]

d.

σ = 2

Question 47

  1. What is implied by a wide rate for the chi-clear statistic?

 

a.

There is a amiable-natured-natured fit unarranged the specimen basis (observed rates) and the vain supposition.

 

b.

The specimen basis (observed rates) do not pair the vain supposition.

 

c.

There is a amiable-natured-natured fit unarranged the specimen basis (observed rates) and the vain supposition.

 

d.

The observed rates from the specimen basis are suitably briefer than the expected rates.

Question 48

  1. The consequences from a exploration consider evidence that adolescents who wake past raging satisfied on television so conduce to enlist in past raging action than their peers. The mutuality unarranged unimpaired of TV raging satisfied and unimpaired of raging action is an in of a ____.

 

a.

mutuality adjacent one

 

b.

denying mutuality

 

c.

mutuality adjacent naught

 

d.

definitive mutuality

Question 49

  1. For an trial involving three razes of satisfied A and three razes of satisfied B, behind a while a specimen of n = 8 in each texture set-forth, what are the df rates for the F-kinsman for the AxB interaction?

 

a.

6, 63

 

b.

2, 63

 

c.

4, 63

 

d.

8, 63

Question 50

  1. For repeated-measures ANOVA, the variability behind a whilein textures is disjoined into two components. What are they?

 

a.

unimpaired variability and untruth

 

b.

unarranged subjects and unarranged textures

 

c.

unarranged textures and untruth

 

d.

unarranged subjects and untruth

Question 51

  1. An partition of hostility comparing three texture provisions unimpaireds dfwithin = 21. If the specimens are all the selfselfselfidentical magnitude, how abundant identicals are in each specimen?

Question 52

  1. For the forthcoming dispensation, what is the width of each tabulate period?

X         f

20-24   2

15-19     5

10-14   4

5-9       1

Question 53

  1. In a length graph exhibitioning the consequences from a two-satisfied trial, the razes of satisfied B are presented on the X-axis and severed lengths are used to parade the coderations for A1 and A2. If the aims on the length for A1 are suitably five aims remarkable than the identical aim on the length for A2, what specimen of consequences is implied?

 

a.

an proof of an A-goods but no proof of an interaction

 

b.

no proof of an interaction

 

c.

an proof of an A-effect

 

d.

an proof of an interaction but no proof of an A-effect

Question 54

  1. For a specimen of n = 30 accounts, X = 45 corresponds to z = 1.50 and X = 40 corresponds to z = +1.00. What are the rates for the specimen coderation and banner loseure?

 

a.

M = 30 and s = 15

 

b.

M = 35 and s = 15

 

c.

M = 30 and s = 10

 

d.

M = 35 and s = 10

Question 55

  1. A explorationer obtains a Pearson mutuality of r = 0.43 for a specimen of n = 20 participants. For a two-tailed trial, which of the forthcoming precisely explains the significance of the mutuality?

 

a.

The mutuality is resembling to naught.

 

b.

The mutuality is momentous behind a while either α = .05 or α = .01.

 

c.

The mutuality is not momentous behind a while either α = .05 or α = .01.

 

d.

The mutuality is momentous behind a while α = .05 but not behind a while α = .01.

Question 56

  1. For a population behind a while µ = 80 and σ = 10, what is the X rate identical to z = –0.50?

 

a.

-5

 

b.

85

 

c.

79.5

 

d.

75

uestion 57

  1. A population behind a while a coderation of µ = 6 has ΣX = 42. How abundant accounts are in the population?

 

a.

N = 42/6 = 7

 

b.

N = 6*42 = 252

 

c.

N = 6/42 = 1/7

 

d.

N=42

Question 58

  1. The consequences from a repeated-measures ANOVA are reputed as, F(3, 24) = 3.75, p < .05. For this consider, how abundant texture provisions were compared?

uestion 59

  1. Which of the forthcoming is the banner untruth of venerate for a liadjacent retrogression equation?

 

a.

the clear commencement of (SSresidual/(n – 2))

 

b.

the clear commencement of (SSregression/(n – 3))

 

c.

the clear commencement of (SSresidual/(n – 3))

 

d.

the clear commencement of (SSregression/(n – 2))

Question 60

  1. A explorationer appraises eye perversion for a specimen of n = 50 mass. Which appraise of convenient conduceency would be alienate to digest the appraisements?

 

a.

mean

 

b.

median

 

c.

mode

 

d.

weighted coderation

Question 61

  1. For a repeated-measures consider comparing three texture provisions behind a while a specimen of n = 4 participants, the participant unimpaireds (the P rates) are 3, 6, 9, and 6. What is the rate for SSunarranged subjects?

Question 62

  1. Which concert of satisfieds is most slight to unimpaired a momentous rate for an refractory-measures t statistic?

 

a.

wide specimens and wide hostility

 

b.

brief specimens and wide hostility

 

c.

brief specimens and brief hostility

 

d.

wide specimens and brief hostility

Question 63

  1. For an refractory-measures t statistic, what is the amiable-natureds of increasing the estimate of accounts in the specimens?

 

a.

Increase the air of refuseing H0 and accept brief or no amiable-natureds on appraises of amiable-natureds magnitude.

 

b.

Increase the air of refuseing H0 and acception appraises of amiable-natureds magnitude.

 

c.

Decrease the air of refuseing H0 and accept brief or no amiable-natureds on appraises of amiable-natureds magnitude.

 

d.

Increase the air of refuseing H0 and nighen appraises of amiable-natureds magnitude.

Question 64

  1. Using z-scores, a population behind a while µ = 37 and s = 6 is bannerized so that the new coderation is µ = 50 and s = 10. Behind the bannerization, one identical has a account of X = 55. What was this identical’s account in the first dispensation?

 

a.

X = 43

 

b.

X = 40

 

c.

It cannot be commencemented behind a while the notification presentn.

 

d.

X = 42

Question 65

  1. A explorationer is recondite environing the medium monthly cell phone charges for all eminent discipline students in the set-forth of Florida. If this medium could be obtained, it would be an in of a ____.

 

a.

statistic

 

b.

population

 

c.

parameter

 

d.

sample

Question 66

  1. What happens to the expected rate of M as specimen magnitude acceptions?

 

a.

It so acceptions.

 

b.

The expected rate does not alter in a predicboard carriage when specimen magnitude acceptions.

 

c.

It nighens.

 

d.

It stays perpetual.

 Question 67

  1. A set of n = 15 pairs of accounts (X and Y rates) unimpaireds a mutuality of r = 0.40. If each of the X rates is sundry by 2 and the mutuality is computed for the new accounts, what rate accomplish be obtained for the new mutuality?

 

a.

This cannot be commencemented behind a whileout sagacious all the X and Y accounts.

 

b.

r = 0.40

 

c.

r = 0.80

 

d.

r = 0.20

Question 68

  1. Two waverings are said to interact when ____.

 

a.

twain waverings unimpaired a alter in the subjects' accounts

 

b.

the two waverings are divergentially improbable by a third wavering

 

c.

the amiable-natureds of one refractory wavering depends on the razes of the succor wavering

 

d.

twain waverings are resemblingly influenced by a third satisfied

Question 69

  1. A purposenigh specimen of n = 4 accounts is obtained from a population behind a while a coderation of µ = 80 and a banner loseure of σ = 10. If the specimen coderation is M = 90, what is the z-account for the specimen coderation?

 

a.

z = 2.00

 

b.

z = 5.00

 

c.

z = 20.00

z = 1.00

·  What promise is used to fulfill the coderation of the dispensation of specimen coderations?

 

a.

the expected rate of M

 

b.

the convenient time coderation

 

c.

the banner untruth of M

 

d.

the specimen coderation

Question 71

  1. A repeated-measures partition of hostility unimpaireds SSunarranged textures = 84 and SSunarranged subjects = 20. For this partition, what is the rate of SSerror?

 

a.

64

 

b.

16

[removed]

c.

24

[removed]

d.

104

Question 72

  1. The space unarranged the Y rate in the basis and the Y rate predicted from the retrogression equation is public as the residual. What is the rate for the sum of the cleard residuals?

 

a.

SSresidual = r2(SSX)

 

b.

SSresidual = (1 – r2)(SSX)

 

c.

SSresidual = r2(SSY)

 

d.

SSresidual = (1 – r2)(SSY)

Question 73

  1. If the forthcoming seven accounts are disposeed from briefest to widest, then what dispose should be assigned to a account of X = 1?

Scores: 1, 1, 1, 1, 3, 6, 6, 6, 9

Question 74

  1. What promise is used to explain the pattern of a dispensation in which the accounts gather up on the left-hand plane of the graph and taper off to the exact?

 

a.

positively skewed

 

b.

negatively skewed

 

c.

normal

 

d.

symmetrical

Question 75

  1. A exploration announce describing the consequences from a repeated-measures consider set-forths: The basis exhibition no momentous estrangement unarranged the two textures, t(10) = 1.65, p > .05. Based on this announce, you can infer that a unimpaired of ____ identicals shared in the exploration consider.

Question 76

  1. A specimen of n = 4 accounts has SS = 48. What is the venerated banner untruth for the specimen coderation?

Question 77

  1. What is set-forthd by the resource supposture (H1) for an ANOVA?

 

a.

The beta venerate is momentous.

 

b.

There are no estrangements unarranged any of the population coderations.

 

c.

All of the population coderations are divergent from each other.

 

d.

At last one of the population coderations is divergent from another coderation.

Question 78

  1. Which of the forthcoming precisely explains the expected frequencies for a chi-clear trial?

 

a.

They are constantly unimpaired total.

 

b.

They are definitive unimpaired total.

 

c.

They can comprehend twain definitive and denying rates.

 

d.

They can comprehend fractions or decimal rates.

Question 79

  1. The briefest account in a population is X = 5 and the widest account is X = 10. Based on this notification, you can infer that the____.

 

a.

moderation is superior than 10

 

b.

banner loseure is superior than 6

 

c.

banner loseure is nigh than 6

 

d.

banner loseure is briefer than 5

Question 80

  1. What is the hostility for the forthcoming population of accounts? Scores: 5, 2, 5, 4

 

a.

1.5

 

b.

6

 

c.

1.22

 

d.

2

Question 81

  1. A explorationer is conducting an trial to evaluate a texture that is expected to acception the accounts for identicals in a population. If the explorationer uses a one-tailed trial behind a while a = .01, then which of the forthcoming rectifyly identifies the ticklish clime?

 

a.

z < 2.33

 

b.

z < 2.58

 

c.

z > 2.33

 

d.

z > 2.58

Question 82

  1. A explorationer appraises driving space from propaganda and weekly cost on gas for a cluster of commuting propaganda students. What peel of mutuality is slight to be obtained for these two waverings?

 

a.

a mutuality adjacent naught

 

b.

a denying mutuality

 

c.

a definitive mutuality

 

d.

a mutuality adjacent one

Question 83

  1. What is the coderation for the forthcoming accounts? Scores: 1, 6, 14

Question 84

  1. For a two-satisfied consider behind a while two razes of satisfied A, 2 razes of satisfied B, and a severed specimen of n = 10 participants in each texture set-forth, the two coderations for raze A1 are 4 and 1, and the two coderations for raze A2 are 3 and 2. For these basis, what is the SS rate for satisfied A (SSA)?

 

a.

0

 

b.

250

 

c.

125

 

d.

50

Question 85

  1. Which of the forthcoming precisely explains the chi-clear trial for amiable-naturedness of fit?

 

a.

It is resembling to a mutuality accordingly it uses one specimen to evaluate the kindred unarranged two waverings.

 

b.

It is resembling to twain a mutuality and an refractory-measures t trial accordingly it can be used to evaluate a kindred unarranged waverings or a estrangement unarranged populations.

 

c.

It is resembling to an refractory-measures t trial accordingly it uses severed specimens to evaluate the estrangement unarranged severed populations.

 

d.

It is resembling to a single-specimen t trial accordingly it uses one specimen to trial a supposture environing one population.

researcher uses an authornigh contemplate to defy the consider action of American propaganda students. Based on the set of 56 contemplates that were completed and returned, the explorationer finds that these students lavish an medium of 4.1 hours each week agoing on road embodied outplane of tabulate. For this consider, the set of 56 students who returned contemplates is an in of a ____.

 

a.

parameter

 

b.

population

 

c.

sample

 

d.

statistic

Question 87

  1. One use of a retrogression equation is to acception the hit of predicting Y accounts. What determines the adaptation of the variability in the Y accounts that is predicted by the retrogression equation?

 

a.

r2

 

b.

r

 

c.

1 – r 

 

d.

1 – r2

Question 88

  1. For the repeated-measures t statistic, where n1 and n2 are the estimate of accounts antecedently and behind texture, and n = n1= n2, df = ____.

 

a.

n1 + n2 – 1

 

b.

n1 + n2 – 2

 

c.

n – 2

 

d.

n – 1

Question 89

  1. If an undiminished population behind a while μ = 60 and s = 8 is transformed into z-scores, then the dispensation of z-scores accomplish accept a coderation of ____ and a banner loseure of ____.
 

a.

60 and 1

 

b.

0 and 1

 

c.

0 and 8

 

d.

60 and 8 (unchanged)

Question 90

  1. A population of accounts has µ = 80. In this population, a account of X = 86 corresponds to z = +2.00. What is the population banner loseure?

Question 91

  1. For a two-satisfied consider behind a while two razes of satisfied A, two razes of satisfied B, and a severed specimen of n = 10 participants in each texture set-forth, the two coderations for raze A1 are 4 and 1, and the two coderations for raze A2 are 3 and 2. For these basis, what is the rate of SSunarranged textures?

 

a.

300

 

b.

40

 

c.

50

 

d.

10

Question 92

  1. Under what requisite is the aim-biserial mutuality used?

 

a.

when twain X and Y are dichotomous waverings

 

b.

in the selfselfselfidentical requisite when a repeated-measures t trial would be used

 

c.

when X consists of ordinary, numerical accounts but Y is dichotomous

 

d.

when twain X and Y are appraised on an ordinal lamina (ranks)

Question 93

  1. The forthcoming board exhibitions the consequences of an partition of hostility comparing three texture provisions behind a while a specimen of n = 10 participants in each texture. Note that separate rates are forfeiture in the board. What is the forfeiture rate for SStotal?

Source             SS        df         MS  

Between           20        xx        xx        F = xx

Within              xx        xx        2

Total                xx        xx              

Question 94

  1. A recognized dispensation has a coderation of µ = 40 behind a while σ = 10. What adaptation of the accounts in this dispensation are briefer than X = 35?

 

a.

0.9332

 

b.

0.3085

 

c.

0.6915

 

d.

0.0668

Question 95

  1. A explorationer announces an F-kinsman behind a while df = 2, 40 from a repeated-measures ANOVA. How abundant texture provisions were compared in this trial?

 

a.

4

 

b.

3

 

c.

41

[removed]

d.

2