Psyk500 study guide | Mathematics homework help


Question 1

  1. What symmetry of a natural systematizeification is located in the retainer beneath z = 2.00?

 

a.

0.9772

[removed]

b.

0.4772

 

c.

0.0228

 

d.

0.0456

Question 2

  1. In dissection of discord, each stubborn shifconsideration is referred to as a ____.

 

a.

stage

[removed]

b.

comparison

 

c.

factor

[removed]

d.

level

Question 3

  1. Which outcome is expected if the void theory is gentleman for an dissection of discord?

 

a.

SSbetween should be encircling the selfselfselfidentical capaciousness as SSwithin.

 

b.

MSbetween should be encircling the selfselfselfidentical capaciousness as MSwithin.

[removed]

c.

SSbetween should be encircling the selfselfselfidentical capaciousness as SStotal.

[removed]

d.

MSbetween should be encircling the selfselfselfidentical capaciousness as MStotal.

Question 4

  1. A discoveryer appraises IQ and moment for a systematizeify of propaganda students. What bark of mutuality is mitigated to be obtained for these two shiftables?

 

a.

a mutuality neighboring one

 

b.

a dogged mutuality

 

c.

a mutuality neighboring cipher

[removed]

d.

a privative mutuality

Question 5

  1. A case of discord accounts has a medium of MD = 5 delay a discord of s2 = 100. If commodities capaciousness is appraised using Cohen’s d, what is the appreciate of d?

 

a.

This cannot be fixed delayout sagacious the case capaciousness.

 

b.

d = 25/100

 

c.

d = 5/100

 

d.

d = 5/10

Question 6

  1. What is the appreciate of the median for the succeedingcited 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 succeedingcited X and Y accounts consequence 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 examine comparing three tenor provisions delay a case 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 appreciate of Σ(X – 2 )2 for the succeedingcited accounts? Scores: 2, 3, 5

 

a.

36

 

b.

10

[removed]

c.

16

[removed]

d.

8

If case discord is computed by dividing SS by df = n – 1, then the medium appreciate of the case discords from all the slight haphazard cases conquer be ____ the population discord.

 

a.

unrelated to

 

b.

exactly resembling to

 

c.

smaller than

[removed]

d.

larger than

Question 11

  1. The percentage of discord accounted for by the tenor commodities is usually notorious as _____ in published reputes of ANOVA developments.

 

a.

η2

 

b.

α2

 

c.

σ2

 

d.

µ2

Question 12

  1. In public, what ingredients are most mitigated to throw-by the void theory for an ANOVA?

 

a.

capacious medium discords and inferior discords

 

b.

inferior medium discords and capacious discords

 

c.

capacious medium discords and capacious discords

 

d.

inferior medium discords and inferior discords

Question 13

  1. In a two-ingredient proof delay two planes of ingredient A and two planes of ingredient B, three of the tenor mediums are essentially selfidentical and one is substantially unanalogous from the others. What development(s) would be consequenced by this specimen of tenor mediums?

[removed]

a.

a ocean commodities for ingredient B

[removed]

b.

a ocean commodities for ingredient A

[removed]

c.

ocean commoditiess for twain A and B, and an interaction

[removed]

d.

an interaction unordered A and B

Question 14

  1. A repeated-measures ANOVA has SSamid tenors = 26 and SSunordered subjects = 12. For this dissection, what is the appreciate for SSerror?

Question 15

  1. For a population delay a trutination rupture of σ = 6, what is the z-account concordant to a account that is 12 apexs aloft the medium?

 

a.

z = 2

 

b.

z = 1

 

c.

z = 6

 

d.

z = 12

Question 16

  1. A case consists of n = 16 accounts. How divers of the accounts are used to affect the systematizeify?

Question 17

  1. A multiple-choice proof delay 48 inquirys has foul-mouthed choices for each inquiry. What is the verisimilitude of getting over than 12 inquirys emend by harmonious guessing?

 

a.

0.0675

 

b.

0.4325

 

c.

0.5000

 

d.

0.5675

Question 18

  1. A theory proof consequences a t statistic of t = 2.20. If the discoveryer is using a two-tailed proof delay α = .05, how capacious does the case entertain to be in systematizeify to throw-by the void theory?

 

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 successionighboring retrogression affectd for a case of n = 20 pairs of X and Y appreciates, what is the appreciate for degrees of insubservience for the predicted constituent of the Y-account discord, MSregression?

 

a.

19

 

b.

18

 

c.

1

[removed]

d.

2

Question 20

  1. A population has a medium of µ = 30. If 3 apexs are pretended to each account, what is the medium for the new systematizeification?

Question 21

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

Question 22

  1. For a natural population delay µ = 40 and σ = 10 which of the succeedingcited cases has the foremost verisimilitude of life obtained?

 

a.

M = 42 for a case of n = 100

 

b.

M = 42 for a case of n = 4

[removed]

c.

M = 44 for a case of n = 4

[removed]

d.

M = 44 for a case of n = 100

Question 23

  1. The sum of the balanced rupture accounts is SS = 20 for a population of N = 5 accounts. What is the discord for this population?

[removed]

a.

80

 

b.

100

 

c.

5

 

d.

4

Question 24

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

 

a.

 = –21

 

b.

 = 6

 

c.

This cannot be fixed delayout additional notice.

 

d.

 = –2

Question 25

  1. With α = .01 the two-tailed dubious district for a t proof using a case of n = 16 subjects would entertain boundaries of ____.

 

a.

t = ±2.602

 

b.

t = ±2.947

 

c.

t = ±2.921

 

d.

t = ±2.583

Question 26

  1. In a case of n = 6 accounts, the inferiorest account is X = 3, the capaciousst account is X = 10, and the medium is M = 6. If the capaciousst account is newfangled from X = 10 to X = 22, then what is the appreciate of the new medium?

 

a.

The medium is stationary M = 6.

 

b.

The medium is M = 8.

 

c.

The medium is M=10.

 

d.

The medium is M = 7.

Question 27

  1. For the systematizeification in the succeedingcited consideration, 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 ingredients are held perpetual, which set of case characteristics is most mitigated to throw-by a void theory stating that m = 80?

 

a.

M = 90 and inferior case discord

 

b.

M = 85 and inferior case discord

 

c.

M = 90 and capacious case discord

 

d.

M = 85 and capacious case discord

Question 29

  1. For the succeedingcited facts, what is SSunordered 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 case, the case discord is ____ and if the accounts are a population, the population discord 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 systematizeification delay µ = 30, what is the most credible appreciate for the decree?

 

a.

0

 

b.

30

 

c.

senior than 30

 

d.

neighboring than 30

Question 32

  1. Which of the succeedingcited is gentleman for most systematizeifications?

 

a.

Around 30% of the accounts conquer be located delayin one trutination rupture of the medium.

 

b.

Around 90% of the accounts conquer be located delayin one trutination rupture of the medium.

 

c.

Around 70% of the accounts conquer be located delayin one trutination rupture of the medium.

 

d.

Around 50% of the accounts conquer be located delayin one trutination rupture of the medium.

Question 33

  1. A discoveryer uses an dissection of discord to proof for medium discords unordered three tenors delay a case of n = 12 in each tenor. The F-harmony for this dissection would entertain which df appreciates?

 

a.

df = 2, 33

 

b.

df = 2, 36

 

c.

df = 2, 35

 

d.

df = 2, 11

Question 34

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

 

a.

μ = 48

 

b.

μ = 36

 

c.

μ = 40

 

d.

μ = 52

Question 35

  1. A perpendicular succession is drawn through a natural systematizeification at z = 0.80. What symmetry of the systematizeification is on the fit-hand plane of the succession?

 

a.

0.2119

 

b.

0.7881

 

c.

0.5762

 

d.

0.2881

Question 36

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

Question 37

  1. A discoveryer conducts a repeated-measures examine to evaluate a tenor delay a case of n = 16 participants and obtains a t statistic of t = 1.94. The tenor is expected to acception accounts and the case medium semblances an acception. What is the emend determination for a theory proof using α = .05?

 

a.

Reject the void theory delay either a one-tailed or a two-tailed proof.

 

b.

Fail to throw-by the void theory delay a one-tailed proof but throw-by delay two retainers.

 

c.

Reject the void theory delay a one-tailed proof but fall to throw-by delay two retainers.

 

d.

Fail to throw-by the void theory delay either a one-tailed or a two-tailed proof.

Question 38

  1. A systematizeification of accounts has a medium of µ = 50. One new account is pretended to the systematizeification and the new medium is institute to be µ = 48. From this development, you can argue that the new account was ____.

 

a.

senior than 50

 

b.

resembling to 48

 

c.

neighboring than 50

 

d.

unordered 50 and 52

Question 39

  1. A discoveryer uses an unattested review to brave the examine proceeding of American propaganda students. The completion systematizeify of American propaganda students is an illustration of a ____.

 

a.

sample

 

b.

statistic

 

c.

parameter

 

d.

population

Question 40

  1. A multiple retrogression equation delay two predictor shiftables is affectd for a set of accounts. If the perpetual appreciates in the equation are b1 = 2, b2 = –3, and a = 7, then what Y appreciate would be predicted for an particular delay X1 = 2 and X2 = 4?

 

a.

41

 

b.

–1

 

c.

1

 

d.

17

Question 41

  1. An stubborn-measures examine comparing two tenor provisions consequences a t statistic delay df = 18.If the two cases are the selfselfselfidentical capaciousness, how divers participants were in each of the cases?

Question 42

  1. Two detached cases are life used to affect the discord unordered population mediums for two tenor provisions. Which of the succeedingcited would consequence the widest belief gap?

 

a.

n1 =n2 = 20 delay a pooled discord of 100

 

b.

n1 =n2 = 20 delay a pooled discord of 10

 

c.

n1 =n2 = 10 delay a pooled discord of 10

 

d.

n1 =n2 = 10 delay a pooled discord of 100

Question 43

  1. For stubborn-measures ANOVA, particular discords assist to the discord in the numerator and in the denominator of the F-ratio. What happens to the particular discords in the denominator of the F-harmony for repeated-measures ANOVA?

 

a.

They are amplified in the denominator of the harmony.

 

b.

They are appraised and subtracted out in of the dissection rule.

 

c.

They do not exist accordingly the selfselfselfidentical particulars enjoy-a-share in all of the tenors.

 

d.

They assist to the discord in the denominator.

Question 44

  1. If a quantity systematizeification is semblancen in a bar graph, what flake was used to appraise the accounts?

 

a.

nominal

 

b.

ratio

 

c.

gap or harmony

 

d.

nominal or ordinal

Question 45

  1. Given a population delay medium m = 60, which of the succeedingcited appreciates for the population trutination rupture would suit X = 68 to entertain the most remote lie in the systematizeification?

 

a.

σ = 2

 

b.

σ = 5

 

c.

σ = 12

 

d.

σ = 3

Question 46

  1. On an exam delay μ = 52, you entertain a account of X = 56. Which of the succeedingcited appreciates for the trutination rupture would bestow you the foremost lie in the systematize systematizeification?

 

a.

σ = 8

 

b.

σ = 4

 

c.

σ = 10

[removed]

d.

σ = 2

Question 47

  1. What is involved by a capacious appreciate for the chi-balance statistic?

 

a.

There is a amiable-natured-natured fit unordered the case facts (observed appreciates) and the void theory.

 

b.

The case facts (observed appreciates) do not resemblingity the void theory.

 

c.

There is a amiable-natured-natured fit unordered the case facts (observed appreciates) and the void theory.

 

d.

The observed appreciates from the case facts are pleasantly inferiorer than the expected appreciates.

Question 48

  1. The developments from a discovery examine mark that adolescents who note over outrageous satisfied on television as-well inccontinuity to attract in over outrageous proceeding than their peers. The mutuality unordered aggregate of TV outrageous satisfied and aggregate of outrageous proceeding is an illustration of a ____.

 

a.

mutuality neighboring one

 

b.

privative mutuality

 

c.

mutuality neighboring cipher

 

d.

dogged mutuality

Question 49

  1. For an proof involving three planes of ingredient A and three planes of ingredient B, delay a case of n = 8 in each tenor qualification, what are the df appreciates for the F-harmony 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 delayin tenors is disconnected into two components. What are they?

 

a.

completion variability and mistake

 

b.

unordered subjects and unordered tenors

 

c.

unordered tenors and mistake

 

d.

unordered subjects and mistake

Question 51

  1. An dissection of discord comparing three tenor provisions consequences dfwithin = 21. If the cases are all the selfselfselfidentical capaciousness, how divers particulars are in each case?

Question 52

  1. For the succeedingcited systematizeification, what is the width of each systematize gap?

X         f

20-24   2

15-19     5

10-14   4

5-9       1

Question 53

  1. In a succession graph semblanceing the developments from a two-ingredient proof, the planes of ingredient B are presented on the X-axis and detached successions are used to semblance the mediums for A1 and A2. If the apexs on the succession for A1 are pleasantly five apexs eminenter than the concordant apex on the succession for A2, what specimen of developments is involved?

 

a.

an proof of an A-commodities 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 case of n = 30 accounts, X = 45 corresponds to z = 1.50 and X = 40 corresponds to z = +1.00. What are the appreciates for the case medium and trutination rupture?

 

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 discoveryer obtains a Pearson mutuality of r = 0.43 for a case of n = 20 participants. For a two-tailed proof, which of the succeedingcited correspondently draws the feeling of the mutuality?

 

a.

The mutuality is resembling to cipher.

 

b.

The mutuality is telling delay either α = .05 or α = .01.

 

c.

The mutuality is not telling delay either α = .05 or α = .01.

 

d.

The mutuality is telling delay α = .05 but not delay α = .01.

Question 56

  1. For a population delay µ = 80 and σ = 10, what is the X appreciate concordant to z = –0.50?

 

a.

-5

 

b.

85

 

c.

79.5

 

d.

75

uestion 57

  1. A population delay a medium of µ = 6 has ΣX = 42. How divers 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 developments from a repeated-measures ANOVA are reputed as, F(3, 24) = 3.75, p < .05. For this examine, how divers tenor provisions were compared?

uestion 59

  1. Which of the succeedingcited is the trutination mistake of affect for a successionighboring retrogression equation?

 

a.

the balance source of (SSresidual/(n – 2))

 

b.

the balance source of (SSregression/(n – 3))

 

c.

the balance source of (SSresidual/(n – 3))

 

d.

the balance source of (SSregression/(n – 2))

Question 60

  1. A discoveryer appraises eye perversion for a case of n = 50 nation. Which appraise of convenient inclineency would be succeeding a whilehold to embody the appraisements?

 

a.

mean

 

b.

median

 

c.

mode

 

d.

weighted medium

Question 61

  1. For a repeated-measures examine comparing three tenor provisions delay a case of n = 4 participants, the participant completions (the P appreciates) are 3, 6, 9, and 6. What is the appreciate for SSunordered subjects?

Question 62

  1. Which coalition of ingredients is most mitigated to consequence a telling appreciate for an stubborn-measures t statistic?

 

a.

capacious cases and capacious discord

 

b.

inferior cases and capacious discord

 

c.

inferior cases and inferior discord

 

d.

capacious cases and inferior discord

Question 63

  1. For an stubborn-measures t statistic, what is the commodities of increasing the compute of accounts in the cases?

 

a.

Increase the presumption of throw-bying H0 and entertain mediocre or no commodities on appraises of commodities capaciousness.

 

b.

Increase the presumption of throw-bying H0 and acception appraises of commodities capaciousness.

 

c.

Decrease the presumption of throw-bying H0 and entertain mediocre or no commodities on appraises of commodities capaciousness.

 

d.

Increase the presumption of throw-bying H0 and neighboringen appraises of commodities capaciousness.

Question 64

  1. Using z-scores, a population delay µ = 37 and s = 6 is trutinationized so that the new medium is µ = 50 and s = 10. Succeeding the trutinationization, one particular has a account of X = 55. What was this particular’s account in the initiatory systematizeification?

 

a.

X = 43

 

b.

X = 40

 

c.

It cannot be fixed delay the notice bestown.

 

d.

X = 42

Question 65

  1. A discoveryer is meddling encircling the medium monthly cell phone jaw for all eminent discipline students in the specify of Florida. If this medium could be obtained, it would be an illustration of a ____.

 

a.

statistic

 

b.

population

 

c.

parameter

 

d.

sample

Question 66

  1. What happens to the expected appreciate of M as case capaciousness acceptions?

 

a.

It as-well acceptions.

 

b.

The expected appreciate does not shift in a predicconsideration fashion when case capaciousness acceptions.

 

c.

It neighboringens.

 

d.

It stays perpetual.

 Question 67

  1. A set of n = 15 pairs of accounts (X and Y appreciates) consequences a mutuality of r = 0.40. If each of the X appreciates is multitudinous by 2 and the mutuality is computed for the new accounts, what appreciate conquer be obtained for the new mutuality?

 

a.

This cannot be fixed delayout sagacious all the X and Y accounts.

 

b.

r = 0.40

 

c.

r = 0.80

 

d.

r = 0.20

Question 68

  1. Two shiftables are said to interact when ____.

 

a.

twain shiftables consequence a shift in the subjects' accounts

 

b.

the two shiftables are unanalogousially abnatural by a third shiftable

 

c.

the commodities of one stubborn shifconsideration depends on the planes of the avoid shiftable

 

d.

twain shiftables are resemblingly influenced by a third ingredient

Question 69

  1. A haphazard case of n = 4 accounts is obtained from a population delay a medium of µ = 80 and a trutination rupture of σ = 10. If the case medium is M = 90, what is the z-account for the case medium?

 

a.

z = 2.00

 

b.

z = 5.00

 

c.

z = 20.00

z = 1.00

·  What expression is used to warrant the medium of the systematizeification of case mediums?

 

a.

the expected appreciate of M

 

b.

the convenient stipulation medium

 

c.

the trutination mistake of M

 

d.

the case medium

Question 71

  1. A repeated-measures dissection of discord consequences SSamid tenors = 84 and SSunordered subjects = 20. For this dissection, what is the appreciate of SSerror?

 

a.

64

 

b.

16

[removed]

c.

24

[removed]

d.

104

Question 72

  1. The space unordered the Y appreciate in the facts and the Y appreciate predicted from the retrogression equation is notorious as the residual. What is the appreciate for the sum of the balanced residuals?

 

a.

SSresidual = r2(SSX)

 

b.

SSresidual = (1 – r2)(SSX)

 

c.

SSresidual = r2(SSY)

 

d.

SSresidual = (1 – r2)(SSY)

Question 73

  1. If the succeedingcited seven accounts are arrangeed from inferiorest to capaciousst, then what arrange should be assigned to a account of X = 1?

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

Question 74

  1. What expression is used to draw the mould of a systematizeification in which the accounts store up on the left-hand plane of the graph and taper off to the fit?

 

a.

positively skewed

 

b.

negatively skewed

 

c.

normal

 

d.

symmetrical

Question 75

  1. A discovery repute describing the developments from a repeated-measures examine specifys: The facts semblance no telling discord unordered the two tenors, t(10) = 1.65, p > .05. Based on this repute, you can argue that a completion of ____ particulars enjoy-a-shared in the discovery examine.

Question 76

  1. A case of n = 4 accounts has SS = 48. What is the affectd trutination mistake for the case medium?

Question 77

  1. What is specifyd by the resource theory (H1) for an ANOVA?

 

a.

The beta affect is telling.

 

b.

There are no discords unordered any of the population mediums.

 

c.

All of the population mediums are unanalogous from each other.

 

d.

At last one of the population mediums is unanalogous from another medium.

Question 78

  1. Which of the succeedingcited correspondently draws the expected frequencies for a chi-balance proof?

 

a.

They are frequently unimpaired computes.

 

b.

They are dogged unimpaired computes.

 

c.

They can hold twain dogged and privative appreciates.

 

d.

They can hold recalcitrant or decimal appreciates.

Question 79

  1. The inferiorest account in a population is X = 5 and the capaciousst account is X = 10. Based on this notice, you can argue that the____.

 

a.

medium is senior than 10

 

b.

trutination rupture is senior than 6

 

c.

trutination rupture is neighboring than 6

 

d.

trutination rupture is inferiorer than 5

Question 80

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

 

a.

1.5

 

b.

6

 

c.

1.22

 

d.

2

Question 81

  1. A discoveryer is conducting an proof to evaluate a tenor that is expected to acception the accounts for particulars in a population. If the discoveryer uses a one-tailed proof delay a = .01, then which of the succeedingcited emendly identifies the dubious district?

 

a.

z < 2.33

 

b.

z < 2.58

 

c.

z > 2.33

 

d.

z > 2.58

Question 82

  1. A discoveryer appraises driving space from propaganda and weekly cost on gas for a systematizeify of commuting propaganda students. What bark of mutuality is mitigated to be obtained for these two shiftables?

 

a.

a mutuality neighboring cipher

 

b.

a privative mutuality

 

c.

a dogged mutuality

 

d.

a mutuality neighboring one

Question 83

  1. What is the medium for the succeedingcited accounts? Scores: 1, 6, 14

Question 84

  1. For a two-ingredient examine delay two planes of ingredient A, 2 planes of ingredient B, and a detached case of n = 10 participants in each tenor qualification, the two mediums for plane A1 are 4 and 1, and the two mediums for plane A2 are 3 and 2. For these facts, what is the SS appreciate for ingredient A (SSA)?

 

a.

0

 

b.

250

 

c.

125

 

d.

50

Question 85

  1. Which of the succeedingcited correspondently draws the chi-balance proof for amiable-naturedness of fit?

 

a.

It is concordant to a mutuality accordingly it uses one case to evaluate the analogy unordered two shiftables.

 

b.

It is concordant to twain a mutuality and an stubborn-measures t proof accordingly it can be used to evaluate a analogy unordered shiftables or a discord unordered populations.

 

c.

It is concordant to an stubborn-measures t proof accordingly it uses detached cases to evaluate the discord unordered detached populations.

 

d.

It is concordant to a single-case t proof accordingly it uses one case to proof a theory encircling one population.

researcher uses an unattested review to brave the examine proceeding of American propaganda students. Based on the set of 56 reviews that were completed and returned, the discoveryer finds that these students lavish an medium of 4.1 hours each week agoing on succession symbolical outplane of systematize. For this examine, the set of 56 students who returned reviews is an illustration of a ____.

 

a.

parameter

 

b.

population

 

c.

sample

 

d.

statistic

Question 87

  1. One use of a retrogression equation is to acception the achievement of predicting Y accounts. What determines the symmetry 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 compute of accounts antecedently and succeeding tenor, and n = n1= n2, df = ____.

 

a.

n1 + n2 – 1

 

b.

n1 + n2 – 2

 

c.

n – 2

 

d.

n – 1

Question 89

  1. If an completion population delay μ = 60 and s = 8 is transformed into z-scores, then the systematizeification of z-scores conquer entertain a medium of ____ and a trutination rupture 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 trutination rupture?

Question 91

  1. For a two-ingredient examine delay two planes of ingredient A, two planes of ingredient B, and a detached case of n = 10 participants in each tenor qualification, the two mediums for plane A1 are 4 and 1, and the two mediums for plane A2 are 3 and 2. For these facts, what is the appreciate of SSunordered tenors?

 

a.

300

 

b.

40

 

c.

50

 

d.

10

Question 92

  1. Under what term is the apex-biserial mutuality used?

 

a.

when twain X and Y are dichotomous shiftables

 

b.

in the selfselfselfidentical term when a repeated-measures t proof would be used

 

c.

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

 

d.

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

Question 93

  1. The succeedingcited consideration semblances the developments of an dissection of discord comparing three tenor provisions delay a case of n = 10 participants in each tenor. Note that diverse appreciates are forfeiture in the consideration. What is the forfeiture appreciate for SStotal?

Source             SS        df         MS  

Between           20        xx        xx        F = xx

Within              xx        xx        2

Total                xx        xx              

Question 94

  1. A natural systematizeification has a medium of µ = 40 delay σ = 10. What symmetry of the accounts in this systematizeification are inferiorer than X = 35?

 

a.

0.9332

 

b.

0.3085

 

c.

0.6915

 

d.

0.0668

Question 95

  1. A discoveryer reputes an F-harmony delay df = 2, 40 from a repeated-measures ANOVA. How divers tenor provisions were compared in this proof?

 

a.

4

 

b.

3

 

c.

41

[removed]

d.

2