A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper.\(\begin{array} { c c c c } \hline \text { No Music } & \text { Soft Rock } & \text { Classical } & \text { Jazz } \\ \hline 128 & 57 & 87 & 55 \\ 101 & 32 & 40 & 24 \\ 157 & 93 & 21 & 95 \\ 196 & 35 & 92 & 19 \\ 163 & 58 & 55 & 60 \\ 144 & 61 & 59 & 85 \\ 170 & 82 & 39 & 54 \\ \hline \end{array}\) -The degrees of freedom for the numerator (df1) is

A) 3 B) 24 C) 27 D) 28 A) 3 B) 24 C) 27 D) 28

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper.\(\begin{array} { c c c c } \hline \text { No Music } & \text { Soft Rock } & \text { Classical } & \text { Jazz } \\ \hline 128 & 57 & 87 & 55 \\ 101 & 32 & 40 & 24 \\ 157 & 93 & 21 & 95 \\ 196 & 35 & 92 & 19 \\ 163 & 58 & 55 & 60 \\ 144 & 61 & 59 & 85 \\ 170 & 82 & 39 & 54 \\ \hline \end{array}\) -The sum of squares within groups (SSW) for this problem is

A) 17,451.714 B) 63,902.714 C) 21.293 D) 46,451.000 A) 17,451.714 B) 63,902.714 C) 21.293 D) 46,451.000

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper.\(\begin{array} { c c c c } \hline \text { No Music } & \text { Soft Rock } & \text { Classical } & \text { Jazz } \\ \hline 128 & 57 & 87 & 55 \\ 101 & 32 & 40 & 24 \\ 157 & 93 & 21 & 95 \\ 196 & 35 & 92 & 19 \\ 163 & 58 & 55 & 60 \\ 144 & 61 & 59 & 85 \\ 170 & 82 & 39 & 54 \\ \hline \end{array}\) -The null hypothesis for this problem should be

A) rejected B) not rejected C) retained D) neither rejected nor not rejected A) rejected B) not rejected C) retained D) neither rejected nor not rejected

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper.\(\begin{array} { c c c c } \hline \text { No Music } & \text { Soft Rock } & \text { Classical } & \text { Jazz } \\ \hline 128 & 57 & 87 & 55 \\ 101 & 32 & 40 & 24 \\ 157 & 93 & 21 & 95 \\ 196 & 35 & 92 & 19 \\ 163 & 58 & 55 & 60 \\ 144 & 61 & 59 & 85 \\ 170 & 82 & 39 & 54 \\ \hline \end{array}\) -The sum of squares between groups (SSB) for this problem is

A) 17,451.714 B) 63,902.714 C) 21.293 D) 46,451.000 A) 17,451.714 B) 63,902.714 C) 21.293 D) 46,451.000

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper.\(\begin{array} { c c c c } \hline \text { No Music } & \text { Soft Rock } & \text { Classical } & \text { Jazz } \\ \hline 128 & 57 & 87 & 55 \\ 101 & 32 & 40 & 24 \\ 157 & 93 & 21 & 95 \\ 196 & 35 & 92 & 19 \\ 163 & 58 & 55 & 60 \\ 144 & 61 & 59 & 85 \\ 170 & 82 & 39 & 54 \\ \hline \end{array}\) -The degrees of freedom for the denominator (df2) is

A) 3 B) 24 C) 27 D) 28 A) 3 B) 24 C) 27 D) 28

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper.\(\begin{array} { c c c c } \hline \text { No Music } & \text { Soft Rock } & \text { Classical } & \text { Jazz } \\ \hline 128 & 57 & 87 & 55 \\ 101 & 32 & 40 & 24 \\ 157 & 93 & 21 & 95 \\ 196 & 35 & 92 & 19 \\ 163 & 58 & 55 & 60 \\ 144 & 61 & 59 & 85 \\ 170 & 82 & 39 & 54 \\ \hline \end{array}\) -The significance level for this problem is

A) p .05 D) p > .001 A) p .05 D) p > .001

Exam 9: Analysis of Variance Anova: One-Factor Completely Randomized Design

A psychologist wishes to determine which of four diet plans works best. The psychologist randomly assigns 32 overweight clients to one of four diet plans: Life on Herbs (LOH), E-mail-A-Meal (EAM), Weight-Lookers (WLK), and Low-Carbs (LOC). The numbers represent weight loss in pounds for 3 months for each client. LOH EAM WLK LOC 14 11 10 25 19 15 5 18 12 9 6 24 9 19 11 29 14 12 4 17 15 10 5 20 18 20 4 23 8 8 3 27 -Which of the following can be concluded about this experiment?

Free

(Multiple Choice)

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Question 1

Correct Answer:

Verified

A

A psychologist wishes to determine which of four diet plans works best. The psychologist randomly assigns 32 overweight clients to one of four diet plans: Life on Herbs (LOH), E-mail-A-Meal (EAM), Weight-Lookers (WLK), and Low-Carbs (LOC). The numbers represent weight loss in pounds for 3 months for each client. LOH EAM WLK LOC 14 11 10 25 19 15 5 18 12 9 6 24 9 19 11 29 14 12 4 17 15 10 5 20 18 20 4 23 8 8 3 27 -The null hypothesis for this problem should be

Free

(Multiple Choice)

4.7/5

(34)

Question 2

Correct Answer:

Verified

A

A psychologist wishes to determine which of four diet plans works best. The psychologist randomly assigns 32 overweight clients to one of four diet plans: Life on Herbs (LOH), E-mail-A-Meal (EAM), Weight-Lookers (WLK), and Low-Carbs (LOC). The numbers represent weight loss in pounds for 3 months for each client. LOH EAM WLK LOC 14 11 10 25 19 15 5 18 12 9 6 24 9 19 11 29 14 12 4 17 15 10 5 20 18 20 4 23 8 8 3 27 -The sum of squares total (SST) for this problem is

Free

(Multiple Choice)

4.8/5

(29)

Question 3

Correct Answer:

Verified

C

A psychologist wishes to determine which of four diet plans works best. The psychologist randomly assigns 32 overweight clients to one of four diet plans: Life on Herbs (LOH), E-mail-A-Meal (EAM), Weight-Lookers (WLK), and Low-Carbs (LOC). The numbers represent weight loss in pounds for 3 months for each client. LOH EAM WLK LOC 14 11 10 25 19 15 5 18 12 9 6 24 9 19 11 29 14 12 4 17 15 10 5 20 18 20 4 23 8 8 3 27 -The degrees of freedom for the denominator (df₂) is

(Multiple Choice)

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(33)

Question 4

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper. No Music Soft Rock Classical Jazz 128 57 87 55 101 32 40 24 157 93 21 95 196 35 92 19 163 58 55 60 144 61 59 85 170 82 39 54 -The degrees of freedom for the numerator (df₁) is

(Multiple Choice)

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(37)

Question 5

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper. No Music Soft Rock Classical Jazz 128 57 87 55 101 32 40 24 157 93 21 95 196 35 92 19 163 58 55 60 144 61 59 85 170 82 39 54 -The sum of squares within groups (SSW) for this problem is

(Multiple Choice)

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(38)

Question 6

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper. No Music Soft Rock Classical Jazz 128 57 87 55 101 32 40 24 157 93 21 95 196 35 92 19 163 58 55 60 144 61 59 85 170 82 39 54 -The null hypothesis for this problem should be

(Multiple Choice)

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Question 7

The problem with the original Bonferroni correction is that

(Multiple Choice)

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Question 8

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper. No Music Soft Rock Classical Jazz 128 57 87 55 101 32 40 24 157 93 21 95 196 35 92 19 163 58 55 60 144 61 59 85 170 82 39 54 -The sum of squares between groups (SSB) for this problem is

(Multiple Choice)

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Question 9

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper. No Music Soft Rock Classical Jazz 128 57 87 55 101 32 40 24 157 93 21 95 196 35 92 19 163 58 55 60 144 61 59 85 170 82 39 54 -The F value for this problem is

(Multiple Choice)

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Question 10

A psychologist wishes to determine which of four diet plans works best. The psychologist randomly assigns 32 overweight clients to one of four diet plans: Life on Herbs (LOH), E-mail-A-Meal (EAM), Weight-Lookers (WLK), and Low-Carbs (LOC). The numbers represent weight loss in pounds for 3 months for each client. LOH EAM WLK LOC 14 11 10 25 19 15 5 18 12 9 6 24 9 19 11 29 14 12 4 17 15 10 5 20 18 20 4 23 8 8 3 27 -The degrees of freedom for the numerator (df₁) is

(Multiple Choice)

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Question 11

A standard deviation derived from a finite sample of means from a population of scores is known as the

(Multiple Choice)

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Question 12

Theoretically, in ANOVA, if there were virtually no group mean differences, then the value of the derived F would be

(Multiple Choice)

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Question 13

A psychologist wishes to determine which of four diet plans works best. The psychologist randomly assigns 32 overweight clients to one of four diet plans: Life on Herbs (LOH), E-mail-A-Meal (EAM), Weight-Lookers (WLK), and Low-Carbs (LOC). The numbers represent weight loss in pounds for 3 months for each client. LOH EAM WLK LOC 14 11 10 25 19 15 5 18 12 9 6 24 9 19 11 29 14 12 4 17 15 10 5 20 18 20 4 23 8 8 3 27 -The F value for this problem is

(Multiple Choice)

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Question 14

An omnibus hypothesis means that

(Multiple Choice)

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Question 15

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper. No Music Soft Rock Classical Jazz 128 57 87 55 101 32 40 24 157 93 21 95 196 35 92 19 163 58 55 60 144 61 59 85 170 82 39 54 -The degrees of freedom for the denominator (df₂) is

(Multiple Choice)

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Question 16

The procedures of ANOVA were primarily developed by

(Multiple Choice)

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Question 17

The original Bonferroni correction for three multiple t tests would have the conventional level of significance change to

(Multiple Choice)

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Question 18

A consumer psychologist wishes to determine whether playing music increases sales. The owner plays no music, soft rock, classical, or jazz and notes the sales for 28 people under these conditions. The following numbers are in dollar amounts per shopper. No Music Soft Rock Classical Jazz 128 57 87 55 101 32 40 24 157 93 21 95 196 35 92 19 163 58 55 60 144 61 59 85 170 82 39 54 -The significance level for this problem is

(Multiple Choice)

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Question 19

Which of the following is not an assumption of ANOVA?

(Multiple Choice)

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Question 20

The problem with the original Bonferroni correction is that

A standard deviation derived from a finite sample of means from a population of scores is known as the

Theoretically, in ANOVA, if there were virtually no group mean differences, then the value of the derived F would be

An omnibus hypothesis means that

The procedures of ANOVA were primarily developed by

The original Bonferroni correction for three multiple t tests would have the conventional level of significance change to

Which of the following is not an assumption of ANOVA?

A Gentle Introduction

Descriptive Statistics: Understanding Distributions of Numbers

Statistical Parameters: Measures of Central Tendency and Variation

Standard Scores, the Z Distribution, and Hypothesis Testing

Inferential Statistics: The Controlled Experiment, Hypothesis Testing, and the Z Distribution

An Introduction to Correlation and Regression

The T Test for Independent Groups

The T Test for Dependent Groups

After a Significant Analysis of Variance: Multiple Comparison Tests

Analysis of Variance Anova: One-Factor Repeated-Measures Design

Analysis of Variance: Two-Factor Completely Randomized Design

Post Hoc Analysis of Factorial Anova

Factorial Anova: Additional Designs

Nonparametric Statistics: The Chi-Square Test

Other Statistical Parameters and Tests

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