# Psyk500 study guide | Mathematics homework help

**Question 1 **

- What adaptation of a recognized arrangement is located in the subordination under z = 2.00?

a.

0.9772

[removed]

b.

0.4772

c.

0.0228

d.

0.0456

**Question 2 **

- In decompose of estrangement, each defiant fickle is referred to as a ____.

a.

stage

[removed]

b.

comparison

c.

factor

[removed]

d.

level

**Question 3 **

- Which outcome is expected if the trifling suppose is gentleman for an decompose of estrangement?

a.

SS_{between} should be environing the selfidentical extent as SS_{within}.

b.

MS_{between} should be environing the selfidentical extent as MS_{within}.

[removed]

c.

SS_{between} should be environing the selfidentical extent as SS_{total}.

[removed]

d.

MS_{between} should be environing the selfidentical extent as MS_{total}.

**Question 4 **

- A scrutinyer metes IQ and influence for a assemblage of propaganda students. What husk of interrelation is slight to be obtained for these two fickles?

a.

a interrelation adjacent one

b.

a direct interrelation

c.

a interrelation adjacent nothing

[removed]

d.

a indirect interrelation

**Question 5 **

- A exemplification of estrangement mandibles has a jurisdictionration of M
_{D}= 5 delay a estrangement of s^{2}= 100. If commodities extent is meted using Cohen’s d, what is the appraise of d?

a.

This cannot be solid delayout sagacious the exemplification extent.

b.

d = 25/100

c.

d = 5/100

d.

d = 5/10

**Question 6 **

- What is the appraise of the median for the behindcited set of mandibles? Scores: 1, 3, 4, 6, 7, 8, 12, 23

a.

6.5

b.

8

c.

6

d.

7

**Question 7 **

- The behindcited X and Y mandibles product SS
_{X}= 2 and SP = 8. What is the retreat 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 **

- For a repeated-measures examine comparing three texture provisions delay a exemplification 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 **

- What is the appraise of Σ(X – 2 )
^{2}for the behindcited mandibles? Scores: 2, 3, 5

a.

36

b.

10

[removed]

c.

16

[removed]

d.

8

If exemplification estrangement is computed by dividing SS by df = n – 1, then the mediocre appraise of the exemplification estrangements from all the slight unpremeditated exemplifications conciliate be ____ the population estrangement.

a.

unrelated to

b.

exactly resembling to

c.

smaller than

[removed]

d.

larger than

**Question 11 **

- The percentage of estrangement accounted for by the texture commodities is usually unreserved as _____ in published reputes of ANOVA remainders.

a.

η^{2}

b.

α^{2}

c.

σ^{2}

d.

µ^{2}

**Question 12 **

- In open, what ingredients are most slight to renounce the trifling suppose for an ANOVA?

a.

big jurisdictionration estrangements and slight estrangements

b.

slight jurisdictionration estrangements and big estrangements

c.

big jurisdictionration estrangements and big estrangements

d.

slight jurisdictionration estrangements and slight estrangements

**Question 13 **

- In a two-ingredient criterion delay two smooths of ingredient A and two smooths of ingredient B, three of the texture jurisdictionrations are essentially selfidentical and one is substantially contrariant from the others. What remainder(s) would be productd by this design of texture jurisdictionrations?

[removed]

a.

a deep commodities for ingredient B

[removed]

b.

a deep commodities for ingredient A

[removed]

c.

deep commoditiess for twain A and B, and an interaction

[removed]

d.

an interaction betwixt A and B

**Question 14 **

- A repeated-measures ANOVA has SS
_{unarranged textures}= 26 and SS_{betwixt subjects}= 12. For this decomposition, what is the appraise for SS_{error}?

**Question 15 **

- For a population delay a gauge inconsequence of σ = 6, what is the z-mandible correspondent to a mandible that is 12 aims aloft the jurisdictionration?

a.

z = 2

b.

z = 1

c.

z = 6

d.

z = 12

**Question 16 **

- A exemplification consists of n = 16 mandibles. How abundant of the mandibles are used to compute the dispose?

**Question 17 **

- A multiple-choice criterion delay 48 topics has lewd choices for each topic. What is the presumption of getting further than 12 topics improve by exact guessing?

a.

0.0675

b.

0.4325

c.

0.5000

d.

0.5675

**Question 18 **

- A suppose criterion products a t statistic of t = 2.20. If the scrutinyer is using a two-tailed criterion delay α = .05, how big does the exemplification feel to be in adjust to renounce the trifling supposition?

a.

At narrowest n = 14

b.

At narrowest n = 12

c.

At narrowest n = 13

[removed]

d.

At narrowest n = 11

**uestion 19 **

- For a liadjacent retreat computed for a exemplification of n = 20 pairs of X and Y appraises, what is the appraise for degrees of insubservience for the predicted origin of the Y-mandible estrangement, MS
_{regression}?

a.

19

b.

18

c.

1

[removed]

d.

2

**Question 20 **

- A population has a jurisdictionration of µ = 30. If 3 aims are external to each mandible, what is the jurisdictionration for the new arrangement?

**Question 21 **

- What is the median for the behindcited set of mandibles? Scores: 1, 2, 6, 11, 17

**Question 22 **

- For a recognized population delay µ = 40 and σ = 10 which of the behindcited exemplifications has the prominent presumption of nature obtained?

a.

M = 42 for a exemplification of n = 100

b.

M = 42 for a exemplification of n = 4

[removed]

c.

M = 44 for a exemplification of n = 4

[removed]

d.

M = 44 for a exemplification of n = 100

**Question 23 **

- The sum of the cleard inconsequence mandibles is SS = 20 for a population of N = 5 mandibles. What is the estrangement for this population?

[removed]

a.

80

b.

100

c.

5

d.

4

**Question 24 **

- A liadjacent retreat equation has b = 3 and a = – 6. What is the predicted appraise of Y for X = 4?

a.

= –21

b.

= 6

c.

This cannot be solid delayout affixed knowledge.

d.

= –2

**Question 25 **

- With α = .01 the two-tailed fastidious country for a t criterion using a exemplification of n = 16 subjects would feel boundaries of ____.

a.

t = ±2.602

b.

t = ±2.947

c.

t = ±2.921

d.

t = ±2.583

**Question 26 **

- In a exemplification of n = 6 mandibles, the slighcriterion mandible is X = 3, the bigst mandible is X = 10, and the jurisdictionration is M = 6. If the bigst mandible is progressive from X = 10 to X = 22, then what is the appraise of the new jurisdictionration?

a.

The jurisdictionration is quiet M = 6.

b.

The jurisdictionration is M = 8.

c.

The jurisdictionration is M=10.

d.

The jurisdictionration is M = 7.

**Question 27 **

- For the arrangement in the behindcited consideration, what is the 90
^{th}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 **

- If other ingredients are held continuous, which set of exemplification characteristics is most slight to renounce a trifling suppose stating that m = 80?

a.

M = 90 and slight exemplification estrangement

b.

M = 85 and slight exemplification estrangement

c.

M = 90 and big exemplification estrangement

d.

M = 85 and big exemplification estrangement

**Question 29 **

- For the behindcited postulates, what is SS
_{betwixt subjects}?

Treatments

Subject I II III P-totals

A 3 4 5 12 G = 27

B 1 1 4 6 ΣX^{2} = 109

C 2 1 6 9

T = 6 T = 6 T = 15

SS = 2 SS = 6 SS = 2

**Question 30 **

- A set of 10 mandibles has SS = 90. If the mandibles are a exemplification, the exemplification estrangement is ____ and if the mandibles are a population, the population estrangement is ____.

[removed]

a.

s^{2} = 10; σ^{2} = 9

[removed]

b.

s^{2} = 9; σ^{2} = 10

[removed]

c.

s^{2} = 9; σ^{2} = 9

[removed]

d.

s^{2} = 10; σ^{2} = 10

**Question 31 **

- For a bell-shaped arrangement delay µ = 30, what is the most presumable appraise for the jurisdiction?

a.

0

b.

30

c.

important than 30

d.

close than 30

**Question 32 **

- Which of the behindcited is gentleman for most arrangements?

a.

Around 30% of the mandibles conciliate be located delayin one gauge inconsequence of the jurisdictionration.

b.

Around 90% of the mandibles conciliate be located delayin one gauge inconsequence of the jurisdictionration.

c.

Around 70% of the mandibles conciliate be located delayin one gauge inconsequence of the jurisdictionration.

d.

Around 50% of the mandibles conciliate be located delayin one gauge inconsequence of the jurisdictionration.

**Question 33 **

- A scrutinyer uses an decompose of estrangement to criterion for jurisdictionration estrangements unarranged three textures delay a exemplification of n = 12 in each texture. The F-ratio for this decompose would feel which df appraises?

a.

df = 2, 33

b.

df = 2, 36

c.

df = 2, 35

d.

df = 2, 11

**Question 34 **

- In a population delay σ = 8, a mandible of X = 44 corresponds to a z-mandible of z = –0.50. What is the population jurisdictionration?

a.

μ = 48

b.

μ = 36

c.

μ = 40

d.

μ = 52

**Question 35 **

- A perpendicular thread is drawn through a recognized arrangement at z = 0.80. What adaptation of the arrangement is on the equitable-hand origin of the thread?

a.

0.2119

b.

0.7881

c.

0.5762

d.

0.2881

**Question 36 **

- What is the appraise of ΣX
^{2}for the behindcited mandibles? Scores: 1, 0, 2, 4

**Question 37 **

- A scrutinyer conducts a repeated-measures examine to evaluate a texture delay a exemplification of n = 16 participants and obtains a t statistic of t = 1.94. The texture is expected to extension mandibles and the exemplification jurisdictionration pretexts an extension. What is the improve judgment for a suppose criterion using α = .05?

a.

Reject the trifling suppose delay either a one-tailed or a two-tailed criterion.

b.

Fail to renounce the trifling suppose delay a one-tailed criterion but renounce delay two subordinations.

c.

Reject the trifling suppose delay a one-tailed criterion but fall-short to renounce delay two subordinations.

d.

Fail to renounce the trifling suppose delay either a one-tailed or a two-tailed criterion.

**Question 38 **

- A arrangement of mandibles has a jurisdictionration of µ = 50. One new mandible is external to the arrangement and the new jurisdictionration is establish to be µ = 48. From this remainder, you can close that the new mandible was ____.

a.

important than 50

b.

resembling to 48

c.

close than 50

d.

betwixt 50 and 52

**Question 39 **

- A scrutinyer uses an unidentified contemplate to defy the examine morality of American propaganda students. The solid assemblage of American propaganda students is an in of a ____.

a.

sample

b.

statistic

c.

parameter

d.

population

**Question 40 **

- A multiple retreat equation delay two predictor fickles is computed for a set of mandibles. If the continuous appraises in the equation are b
_{1}= 2, b_{2}= –3, and a = 7, then what Y appraise would be predicted for an personal delay X_{1}= 2 and X_{2}= 4?

a.

41

b.

–1

c.

1

d.

17

**Question 41 **

- An defiant-measures examine comparing two texture provisions products a t statistic delay df = 18.If the two exemplifications are the selfidentical extent, how abundant participants were in each of the exemplifications?

**Question 42 **

- Two disunited exemplifications are nature used to price the estrangement betwixt population jurisdictionrations for two texture provisions. Which of the behindcited would product the
*widest*faith intermission?

a.

n_{1} =n_{2} = 20 delay a pooled estrangement of 100

b.

n_{1} =n_{2} = 20 delay a pooled estrangement of 10

c.

n_{1} =n_{2} = 10 delay a pooled estrangement of 10

d.

n_{1} =n_{2} = 10 delay a pooled estrangement of 100

**Question 43 **

- For defiant-measures ANOVA, personal estrangements present to the estrangement in the numerator and in the denominator of the F-ratio. What happens to the personal estrangements in the denominator of the F-ratio for repeated-measures ANOVA?

a.

They are amplified in the denominator of the ratio.

b.

They are meted and subtracted out in of the decompose arrangement.

c.

They do not consist accordingly the selfidentical personals join-in in all of the textures.

d.

They present to the estrangement in the denominator.

**Question 44 **

- If a quantity arrangement is pretextn in a bar graph, what lamina was used to mete the mandibles?

a.

nominal

b.

ratio

c.

intermission or ratio

d.

nominal or ordinal

**Question 45 **

- Given a population delay jurisdictionration m = 60, which of the behindcited appraises for the population gauge inconsequence would origin X = 68 to feel the most accountinal pose in the arrangement?

a.

σ = 2

b.

σ = 5

c.

σ = 12

d.

σ = 3

**Question 46 **

- On an exam delay μ = 52, you feel a mandible of X = 56. Which of the behindcited appraises for the gauge inconsequence would present you the prominent pose in the tabulate arrangement?

a.

σ = 8

b.

σ = 4

c.

σ = 10

[removed]

d.

σ = 2

**Question 47 **

- What is denoted by a big appraise for the chi-clear statistic?

a.

There is a cheerful-tempered-tempered fit betwixt the exemplification postulates (observed appraises) and the trifling supposition.

b.

The exemplification postulates (observed appraises) do not tally the trifling supposition.

c.

There is a cheerful-tempered-tempered fit betwixt the exemplification postulates (observed appraises) and the trifling supposition.

d.

The observed appraises from the exemplification postulates are suitably slighter than the expected appraises.

**Question 48 **

- The remainders from a scrutiny examine denote that adolescents who watch further outrageous satisfiededed on television too watch to undertake in further outrageous deportment than their peers. The interrelation betwixt well of TV outrageous satisfiededed and well of outrageous deportment is an in of a ____.

a.

interrelation adjacent one

b.

indirect interrelation

c.

interrelation adjacent nothing

d.

direct interrelation

**Question 49 **

- For an criterion involving three smooths of ingredient A and three smooths of ingredient B, delay a exemplification of n = 8 in each texture mood, what are the df appraises for the F-ratio for the AxB interaction?

a.

6, 63

b.

2, 63

c.

4, 63

d.

8, 63

**Question 50 **

- For repeated-measures ANOVA, the variability delayin textures is detachedd into two components. What are they?

a.

aggregate variability and fault

b.

betwixt subjects and betwixt textures

c.

betwixt textures and fault

d.

betwixt subjects and fault

**Question 51 **

- An decompose of estrangement comparing three texture provisions products df
_{within}= 21. If the exemplifications are all the selfidentical extent, how abundant personals are in each exemplification?

**Question 52 **

- For the behindcited arrangement, what is the width of each tabulate intermission?

X f

20-24 2

15-19 5

10-14 4

5-9 1

**Question 53 **

- In a thread graph pretexting the remainders from a two-ingredient criterion, the smooths of ingredient B are presented on the X-axis and disunited threads are used to exhibit the jurisdictionrations for A1 and A2. If the aims on the thread for A1 are suitably five aims better than the correspondent aim on the thread for A2, what design of remainders is denoted?

a.

an mark of an A-commodities but no mark of an interaction

b.

no mark of an interaction

c.

an mark of an A-effect

d.

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

**Question 54 **

- For a exemplification of n = 30 mandibles, X = 45 corresponds to z = 1.50 and X = 40 corresponds to z = +1.00. What are the appraises for the exemplification jurisdictionration and gauge inconsequence?

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 **

- A scrutinyer obtains a Pearson interrelation of r = 0.43 for a exemplification of n = 20 participants. For a two-tailed criterion, which of the behindcited precisely represents the reason of the interrelation?

a.

The interrelation is resembling to nothing.

b.

The interrelation is suggestive delay either α = .05 or α = .01.

c.

The interrelation is not suggestive delay either α = .05 or α = .01.

d.

The interrelation is suggestive delay α = .05 but not delay α = .01.

**Question 56 **

- For a population delay µ = 80 and σ = 10, what is the X appraise correspondent to z = –0.50?

a.

-5

b.

85

c.

79.5

d.

75

**uestion 57 **

- A population delay a jurisdictionration of µ = 6 has ΣX = 42. How abundant mandibles 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 **

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

**uestion 59 **

- Which of the behindcited is the gauge fault of price for a liadjacent retreat equation?

a.

the clear parent of (SS_{residual}/(n – 2))

b.

the clear parent of (SS_{regression}/(n – 3))

c.

the clear parent of (SS_{residual}/(n – 3))

d.

the clear parent of (SS_{regression}/(n – 2))

**Question 60 **

- A scrutinyer metes eye tinge for a exemplification of n = 50 populace. Which mete of convenient watchency would be delayhold to condense the metements?

a.

mean

b.

median

c.

mode

d.

weighted jurisdictionration

**Question 61 **

- For a repeated-measures examine comparing three texture provisions delay a exemplification of n = 4 participants, the participant aggregates (the P appraises) are 3, 6, 9, and 6. What is the appraise for SS
_{betwixt subjects}?

**Question 62 **

- Which consortment of ingredients is most slight to product a suggestive appraise for an defiant-measures t statistic?

a.

big exemplifications and big estrangement

b.

slight exemplifications and big estrangement

c.

slight exemplifications and slight estrangement

d.

big exemplifications and slight estrangement

**Question 63 **

- For an defiant-measures t statistic, what is the commodities of increasing the compute of mandibles in the exemplifications?

a.

Increase the mien of renounceing H_{0} and feel pigmy or no commodities on metes of commodities extent.

b.

Increase the mien of renounceing H_{0} and extension metes of commodities extent.

c.

Decrease the mien of renounceing H_{0} and feel pigmy or no commodities on metes of commodities extent.

d.

Increase the mien of renounceing H_{0} and retrench metes of commodities extent.

**Question 64 **

- Using z-scores, a population delay µ = 37 and s = 6 is gaugeized so that the new jurisdictionration is µ = 50 and s = 10. Behind the gaugeization, one personal has a mandible of X = 55. What was this personal’s mandible in the primary arrangement?

a.

X = 43

b.

X = 40

c.

It cannot be solid delay the knowledge presentn.

d.

X = 42

**Question 65 **

- A scrutinyer is singular environing the mediocre monthly cell phone reckoning for all haughty instruct students in the specify of Florida. If this mediocre could be obtained, it would be an in of a ____.

a.

statistic

b.

population

c.

parameter

d.

sample

**Question 66 **

- What happens to the expected appraise of M as exemplification extent extensions?

a.

It too extensions.

b.

The expected appraise does not modify in a predicconsideration behavior when exemplification extent extensions.

c.

It retrenchs.

d.

It stays continuous.

### Question 67

- A set of n = 15 pairs of mandibles (X and Y appraises) products a interrelation of r = 0.40. If each of the X appraises is multifarious by 2 and the interrelation is computed for the new mandibles, what appraise conciliate be obtained for the new interrelation?

a.

This cannot be solid delayout sagacious all the X and Y mandibles.

b.

r = 0.40

c.

r = 0.80

d.

r = 0.20

**Question 68 **

- Two fickles are said to interact when ____.

a.

twain fickles product a modify in the subjects' mandibles

b.

the two fickles are contrariantially unnatural by a third fickle

c.

the commodities of one defiant fickle depends on the smooths of the prevent fickle

d.

twain fickles are resemblingly influenced by a third ingredient

**Question 69 **

- A unpremeditated exemplification of n = 4 mandibles is obtained from a population delay a jurisdictionration of µ = 80 and a gauge inconsequence of σ = 10. If the exemplification jurisdictionration is M = 90, what is the z-mandible for the exemplification jurisdictionration?

a.

z = 2.00

b.

z = 5.00

c.

z = 20.00

z = 1.00

· What account is used to establish the jurisdictionration of the arrangement of exemplification jurisdictionrations?

a.

the expected appraise of M

b.

the convenient season jurisdictionration

c.

the gauge fault of M

d.

the exemplification jurisdictionration

**Question 71 **

- A repeated-measures decompose of estrangement products SS
_{unarranged textures}= 84 and SS_{betwixt subjects}= 20. For this decomposition, what is the appraise of SS_{error}?

a.

64

b.

16

[removed]

c.

24

[removed]

d.

104

**Question 72 **

- The absence betwixt the Y appraise in the postulates and the Y appraise predicted from the retreat equation is unreserved as the
*residual*. What is the appraise for the sum of the cleard residuals?

a.

SS_{residual} = r^{2}(SS_{X})

b.

SS_{residual} = (1 – r^{2})(SS_{X})

c.

SS_{residual} = r^{2}(SS_{Y})

d.

SS_{residual} = (1 – r^{2})(SS_{Y})

**Question 73 **

- If the behindcited seven mandibles are assorted from slighcriterion to bigst, then what assort should be assigned to a mandible of X = 1?

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

**Question 74 **

- What account is used to represent the pattern of a arrangement in which the mandibles gather up on the left-hand origin of the graph and taper off to the equitable?

a.

positively skewed

b.

negatively skewed

c.

normal

d.

symmetrical

**Question 75 **

- A scrutiny repute describing the remainders from a repeated-measures examine specifys: The postulates pretext no suggestive estrangement betwixt the two textures, t(10) = 1.65, p > .05. Based on this repute, you can close that a aggregate of ____ personals join-ind in the scrutiny examine.

**Question 76 **

- A exemplification of n = 4 mandibles has SS = 48. What is the priced gauge fault for the exemplification jurisdictionration?

**Question 77 **

- What is specifyd by the opinion suppose (H
_{1}) for an ANOVA?

a.

The beta price is suggestive.

b.

There are no estrangements betwixt any of the population jurisdictionrations.

c.

All of the population jurisdictionrations are contrariant from each other.

d.

At narrowest one of the population jurisdictionrations is contrariant from another jurisdictionration.

**Question 78 **

- Which of the behindcited precisely represents the expected frequencies for a chi-clear criterion?

a.

They are recurrently well computes.

b.

They are direct well computes.

c.

They can hold twain direct and indirect appraises.

d.

They can hold stubborn or decimal appraises.

**Question 79 **

- The slighcriterion mandible in a population is X = 5 and the bigst mandible is X = 10. Based on this knowledge, you can close that the____.

a.

moderation is important than 10

b.

gauge inconsequence is important than 6

c.

gauge inconsequence is close than 6

d.

gauge inconsequence is slighter than 5

**Question 80 **

- What is the estrangement for the behindcited population of mandibles? Scores: 5, 2, 5, 4

a.

1.5

b.

6

c.

1.22

d.

2

**Question 81 **

- A scrutinyer is conducting an criterion to evaluate a texture that is expected to extension the mandibles for personals in a population. If the scrutinyer uses a one-tailed criterion delay a = .01, then which of the behindcited improvely identifies the fastidious country?

a.

z < 2.33

b.

z < 2.58

c.

z > 2.33

d.

z > 2.58

**Question 82 **

- A scrutinyer metes driving absence from propaganda and weekly cost on gas for a assemblage of commuting propaganda students. What husk of interrelation is slight to be obtained for these two fickles?

a.

a interrelation adjacent nothing

b.

a indirect interrelation

c.

a direct interrelation

d.

a interrelation adjacent one

**Question 83 **

- What is the jurisdictionration for the behindcited mandibles? Scores: 1, 6, 14

**Question 84 **

- For a two-ingredient examine delay two smooths of ingredient A, 2 smooths of ingredient B, and a disunited exemplification of n = 10 participants in each texture mood, the two jurisdictionrations for smooth A1 are 4 and 1, and the two jurisdictionrations for smooth A2 are 3 and 2. For these postulates, what is the SS appraise for ingredient A (SS
_{A})?

a.

0

b.

250

c.

125

d.

50

**Question 85 **

- Which of the behindcited precisely represents the chi-clear criterion for cheerful-temperedness of fit?

a.

It is correspondent to a interrelation accordingly it uses one exemplification to evaluate the analogy betwixt two fickles.

b.

It is correspondent to twain a interrelation and an defiant-measures t criterion accordingly it can be used to evaluate a analogy betwixt fickles or a estrangement betwixt populations.

c.

It is correspondent to an defiant-measures t criterion accordingly it uses disunited exemplifications to evaluate the estrangement betwixt disunited populations.

d.

It is correspondent to a single-exemplification t criterion accordingly it uses one exemplification to criterion a suppose environing one population.

researcher uses an unidentified contemplate to defy the examine morality of American propaganda students. Based on the set of 56 contemplates that were completed and returned, the scrutinyer finds that these students exhaust an mediocre of 4.1 hours each week afloat on method representative outorigin of tabulate. For this examine, the set of 56 students who returned contemplates is an in of a ____.

a.

parameter

b.

population

c.

sample

d.

statistic

**Question 87 **

- One use of a retreat equation is to extension the truthfulness of predicting Y mandibles. What determines the adaptation of the variability in the Y mandibles that is predicted by the retreat equation?

a.

r^{2}

b.

r

c.

1 – r

d.

1 – r^{2}

**Question 88 **

- For the repeated-measures t statistic, where n1 and n2 are the compute of mandibles anteriorly and behind texture, and n = n
_{1}= n_{2}, df = ____.

a.

n_{1} + n_{2} – 1

b.

n_{1} + n_{2} – 2

c.

n – 2

d.

n – 1

**Question 89 **

- If an solid population delay μ = 60 and s = 8 is transformed into z-scores, then the arrangement of z-scores conciliate feel a jurisdictionration of ____ and a gauge inconsequence of ____.

a.

60 and 1

b.

0 and 1

c.

0 and 8

d.

60 and 8 (unchanged)

**Question 90 **

- A population of mandibles has µ = 80. In this population, a mandible of X = 86 corresponds to z = +2.00. What is the population gauge inconsequence?

**Question 91 **

- For a two-ingredient examine delay two smooths of ingredient A, two smooths of ingredient B, and a disunited exemplification of n = 10 participants in each texture mood, the two jurisdictionrations for smooth A1 are 4 and 1, and the two jurisdictionrations for smooth A2 are 3 and 2. For these postulates, what is the appraise of SS
_{betwixt textures}?

a.

300

b.

40

c.

50

d.

10

**Question 92 **

- Under what proviso is the aim-biserial interrelation used?

a.

when twain X and Y are dichotomous fickles

b.

in the selfidentical proviso when a repeated-measures t criterion would be used

c.

when X consists of recurrent, numerical mandibles but Y is dichotomous

d.

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

**Question 93 **

- The behindcited consideration pretexts the remainders of an decompose of estrangement comparing three texture provisions delay a exemplification of n = 10 participants in each texture. Note that diverse appraises are forfeiture in the consideration. What is the forfeiture appraise for SS
_{total}?

Source SS df MS

Between 20 xx xx F = xx

Within xx xx 2

Total xx xx

**Question 94 **

- A recognized arrangement has a jurisdictionration of µ = 40 delay σ = 10. What adaptation of the mandibles in this arrangement are slighter than X = 35?

a.

0.9332

b.

0.3085

c.

0.6915

d.

0.0668

**Question 95 **

- A scrutinyer reputes an F-ratio delay df = 2, 40 from a repeated-measures ANOVA. How abundant texture provisions were compared in this criterion?

a.

4

b.

3

c.

41

[removed]

d.

2