Question 1

A positive value for a correlation indicates ________.

Group of answer choices

a much stronger relationship than if the correlation were negative

decreases in X tend to be accompanied by decreases in Y

increases in X tend to be accompanied by decreases in Y

a much more consistent relationship than if the correlation were a smaller value

Question 2

Rnin is a Human Resources Manager at Burgerville. He wants to add a personality test to the selection tools for cashiers under the assumption that more agreeable employees will have significantly ( = .05) more satisfied customers. What is the null hypothesis for this assumption?

Group of answer choices

p

p > 0

p = 0

p 0

p 0

p 0

Question 3

Ronin is a Human Resources Manager at Burgerville. He wants to add a personality test to the selection tools for cashiers under the assumption that more agreeable employees will have significantly ( = .05) more satisfied customers. Before adding an agreeableness survey to the selection tools, he administers the following agreeableness survey to current employees.

I see myself as someone who...

1. is considerate and kind to almost anyone. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. is sometimes rude to others. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

3. can be cold and aloof. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

He also administers the following customer satisfaction survey to customers for 2 weeks.

1. My cashier was friendly today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. My cashier helped me have a pleasant dining experience today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

3. My cashier's name was: _____________________

What is the critical value for the data below (X = mean agreeableness and Y = mean customer satisfaction)?

Agreeableness Customer Satisfaction

4 5

4 4

3 3

3 2

2 1

Group of answer choices

r crit = .805

r crit = .878

r crit = .669

r crit = .754

Question 4

Ronin is a Human Resources Manager at Burgerville. He wants to add a personality test to the selection tools for cashiers under the assumption that more agreeable employees will have significantly ( = .05) more satisfied customers. Before adding an agreeableness survey to the selection tools, he administers the following agreeableness survey to current employees.

I see myself as someone who...

1. is considerate and kind to almost anyone. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. is sometimes rude to others. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

3. can be cold and aloof. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

He also administers the following customer satisfaction survey to customers for 2 weeks.

1. My cashier was friendly today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. My cashier helped me have a pleasant dining experience today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

3. My cashier's name was: _____________________

What is the correlation coefficient, decision, and conclusion for the data below (X = mean agreeableness and Y = mean customer satisfaction)?

Agreeableness Customer Satisfaction

4 5

4 4

3 3

3 2

2 1

Group of answer choices

r = 1.009 Fail to reject the null hypothesis; results suggest more agreeable employees do not have significantly ( = .05) more satisfied customers, do not implement the personality test as part of selection.

r = 1.009 Reject the null hypothesis; results suggest more agreeable employees have significantly ( = .05) more satisfied customers, implement the personality test as part of selection.

r = .922 Fail to reject the null hypothesis; results suggest more agreeable employees do not have significantly ( = .05) more satisfied customers, do not implement the personality test as part of selection.

r = .945 Reject the null hypothesis; results suggest more agreeable employees have significantly ( = .05) more satisfied customers, implement the personality test as part of selection.

r = .922 Reject the null hypothesis; results suggest more agreeable employees have significantly ( = .05) more satisfied customers, implement the personality test as part of selection.

r = .945 Fail to reject the null hypothesis; results suggest more agreeable employees do not have significantly ( = .05) more satisfied customers, do not implement the personality test as part of selection.

Question 5

Ronin is a Human Resources Manager at Burgerville. He wants to add a personality test to the selection tools for cashiers under the assumption that agreeableness will be a significant ( = .05) predictor of more satisfied customers. Before adding an agreeableness survey to the selection tools, he administers the following agreeableness survey to current employees.

I see myself as someone who...

1. is considerate and kind to almost anyone. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. is sometimes rude to others. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

3. can be cold and aloof. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

He also administers the following customer satisfaction survey to customers for 2 weeks.

1. My cashier was friendly today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. My cashier helped me have a pleasant dining experience today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

3. My cashier's name was: _____________________

What is the regression equation for the data below (X = mean agreeableness and Y = mean customer satisfaction)?

Agreeableness Customer Satisfaction

4 5

4 4

3 3

3 2

2 1

Group of answer choices

predicted Y = 1.786(X) + 2.715

predicted Y = 1.786(X) - 2.715

predicted Y = .938(X) - .002

predicted Y = .926(X) + .037

Question 6

Ronin is a Human Resources Manager at Burgerville. He wants to add a personality test to the selection tools for cashiers under the assumption that agreeableness will be a significant ( = .05) predictor of more satisfied customers. Before adding an agreeableness survey to the selection tools, he administers the following agreeableness survey to current employees.

I see myself as someone who...

1. is considerate and kind to almost anyone. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. is sometimes rude to others. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

3. can be cold and aloof. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

He also administers the following customer satisfaction survey to customers for 2 weeks.

1. My cashier was friendly today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. My cashier helped me have a pleasant dining experience today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

3. My cashier's name was: _____________________

What is the correct critical value for the regression equation for the data below (X = mean agreeableness and Y = mean customer satisfaction)?

Agreeableness Customer Satisfaction

4 5

4 4

3 3

3 2

2 1

Group of answer choices

F crit = 10.13

F crit = 213

F crit = 4.96

F crit = 242

Question 7

Ronin is a Human Resources Manager at Burgerville. He wants to add a personality test to the selection tools for cashiers under the assumption that agreeableness will be a significant ( = .05) predictor of more satisfied customers. Before adding an agreeableness survey to the selection tools, he administers the following agreeableness survey to current employees.

I see myself as someone who...

1. is considerate and kind to almost anyone. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. is sometimes rude to others. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

3. can be cold and aloof. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

He also administers the following customer satisfaction survey to customers for 2 weeks.

1. My cashier was friendly today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. My cashier helped me have a pleasant dining experience today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

3. My cashier's name was: _____________________

What is the correct F statistic, decision, and conclusion for the regression equation for the data below (X = mean agreeableness and Y = mean customer satisfaction)?

Agreeableness Customer Satisfaction

4 5

4 4

3 3

3 2

2 1

Group of answer choices

F = 25.014 Reject the null hypothesis; agreeableness is a significant predictor of customer satisfaction

F = 25.014 Fail to reject the null hypothesis; agreeableness is not a significant predictor of customer satisfaction

F = 168.854 Fail to reject the null hypothesis; agreeableness is not a significant predictor of customer satisfaction

F = 168.854 Reject the null hypothesis; agreeableness is a significant predictor of customer satisfaction

F = 17 Reject the null hypothesis; agreeableness is a significant predictor of customer satisfaction

F = 17 Fail to reject the null hypothesis; agreeableness is not a significant predictor of customer satisfaction

Question 8

Ronin is a Human Resources Manager at Burgerville. He wants to add a personality test to the selection tools for cashiers under the assumption that agreeableness will be a significant ( = .05) predictor of more satisfied customers. Before adding an agreeableness survey to the selection tools, he administers the following agreeableness survey to current employees.

I see myself as someone who...

1. is considerate and kind to almost anyone. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. is sometimes rude to others. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

3. can be cold and aloof. 0 (completely disagree), 1 (strongly agree), 2 (agree), 3 (neither agree nor disagree), 4 (disagree), 5 (strongly disagree), 6 (completely agree)

He also administers the following customer satisfaction survey to customers for 2 weeks.

1. My cashier was friendly today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

2. My cashier helped me have a pleasant dining experience today. 0 (completely disagree), 1 (strongly disagree), 2 (disagree), 3 (neither agree nor disagree), 4 (agree), 5 (strongly agree), 6 (completely agree)

3. My cashier's name was: _____________________

What percentage of variability (i.e., differences) in customer satisfaction can be attributed to mean levels of agreeableness for the data below (X = mean agreeableness and Y = mean customer satisfaction)?

Agreeableness Customer Satisfaction

4 5

4 4

3 3

3 2

2 1

Group of answer choices

92.0%

100%

89.3%

Question 9

Suppose the regression equation for predicting SAT scores based on IQ scores among 20-30 year old college students is = 3(X) + 200.

Mario is 25 years old and has an IQ of 115. What would his predicted SAT score be?

Group of answer choices

140

200

275

545