Question 1

Based on your calculations, which of the following best represents the decision regarding the null hypothesis? Use the following formula:

Accepted Answer

A)  Do not reject H0 (p > .05) 
B)  Do not reject H0 (p  
C)  Reject H0 (p  
D)  Reject H0 (p  
A)  Do not reject H0 (p > .05) 
B)  Do not reject H0 (p  
C)  Reject H0 (p  
D)  Reject H0 (p  D

Question 2

For a sample of 350, a researcher calculates $\chi$2 = 6.62 with 2 degrees of freedom. Which of the following is the correct way to present this analysis?

Accepted Answer

A)  p  .05 
C)  p  .05 (but < .01) 
A)  p  .05 
C)  p  .05 (but < .01) A

Question 3

Calculate the chi-square statistic for the data in the following table:

Accepted Answer

A)  36.12 
B)  38.41 
C)  28.11 
D)  48.02 
A)  36.12 
B)  38.41 
C)  28.11 
D)  48.02 C

Question 4

For a chi-square with 6 groups for the row variable and 2 groups for the column variable, the critical value for α = .01 would be equal to ______.

Accepted Answer

A)  9.210 
B)  11.345 
C)  13.277 
D)  15.09 
A)  9.210 
B)  11.345 
C)  13.277 
D)  15.09

Question 5

For a chi-square with 3 groups for the row variable and 2 groups for the column variable, the critical value for α = .01 would be equal to ______.

Accepted Answer

A)  9.21 
B)  11.34 
C)  13.28 
D)  16.81 
A)  9.21 
B)  11.34 
C)  13.28 
D)  16.81

Question 6

Calculate the expected frequency (fe) for those who believe the police do a good job and are not at all afraid to walk after dark.

Accepted Answer

A)  27.99 
B)  26.47 
C)  30.54 
D)  29.46 
A)  27.99 
B)  26.47 
C)  30.54 
D)  29.46

Question 7

Which statistical procedure should be conducted if any of the expected frequencies (fe) are greater than 10?

Accepted Answer

A)  Chi-square 
B)  Fisher's exact test 
C)  Yates' correction for continuity 
D)  ANOVA 
A)  Chi-square 
B)  Fisher's exact test 
C)  Yates' correction for continuity 
D)  ANOVA

Question 8

What is the expected frequency (fe) for Type D?

Accepted Answer

A)  125.55 
B)  235.03 
C)  140.42 
D)  94.01 
A)  125.55 
B)  235.03 
C)  140.42 
D)  94.01

Question 9

Calculate Cramér's $\phi$ for the following data:   Use the following formula:

Accepted Answer

A)  .01 
B)  .12 
C)  .82 
D)  .90 
A)  .01 
B)  .12 
C)  .82 
D)  .90

Question 10

What is the expected frequency (fe) for Type C?

Accepted Answer

A)  62.60 
B)  93.90 
C)  125.20 
D)  31.30 
A)  62.60 
B)  93.90 
C)  125.20 
D)  31.30

Question 11

What is Cramér's $\phi$ for the following data:$\chi$2 = 20.22, N = 200; # groups= 4?

Accepted Answer

A)  .18 
B)  .10 
C)  .07 
D)  .03 
A)  .18 
B)  .10 
C)  .07 
D)  .03

Question 12

Calculate the expected frequency (fe) for those who believe the police do a good job and are somewhat afraid to walk after dark.

Accepted Answer

A)  27.99 
B)  26.47 
C)  30.54 
D)  29.46 
A)  27.99 
B)  26.47 
C)  30.54 
D)  29.46

Question 13

Calculate Cramér's $\phi$ for the following data:   Use the following formula:

Accepted Answer

A)  .01 
B)  .02 
C)  .08 
D)  .14 
A)  .01 
B)  .02 
C)  .08 
D)  .14

Question 14

For a chi-square with 3 groups for the row variable and 2 groups for the column variable, the degrees of freedom would be equal to ______.

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  6 
A)  2 
B)  3 
C)  4 
D)  6

Question 15

When reporting the results of a chi-square test of independence, one would include which of the following?

Accepted Answer

A)  the column totals 
B)  the row totals 
C)  the $\chi$2 
D)  the expected frequencies 
A)  the column totals 
B)  the row totals 
C)  the $\chi$2 
D)  the expected frequencies

Question 16

For $\chi$2 = 8.56 with the number of groups = 6, the researcher would ______.

Accepted Answer

A) not reject the null hypothesis (p > .05) B) reject the null hypothesis (p .05) D) reject the null hypothesis (p <.01) A) not reject the null hypothesis (p > .05) B) reject the null hypothesis (p .05) D) reject the null hypothesis (p <.01)

Question 17

For $\alpha$ = .05 and df = 2, the critical value for a chi-square statistic would be ______.

Accepted Answer

A)  5.991 
B)  7.815 
C)  9.348 
D)  12.838 
A)  5.991 
B)  7.815 
C)  9.348 
D)  12.838

Question 18

What is the expected frequency (fe) for Type D?

Accepted Answer

A)  62.60 
B)  93.90 
C)  125.20 
D)  31.30 
A)  62.60 
B)  93.90 
C)  125.20 
D)  31.30

Question 19

The assumption of independence is met when ______.

Accepted Answer

A)  a researcher assigns each participant to only one group 
B)  a researcher assigns a participant to more than one group 
C)  a research collects data from a small sample 
D)  a research does not assign a participant to a group 
A)  a researcher assigns each participant to only one group 
B)  a researcher assigns a participant to more than one group 
C)  a research collects data from a small sample 
D)  a research does not assign a participant to a group

Question 20

Use the following table to calculate the expected frequencies.

Accepted Answer

The answer of Use the following table to calculate the...

Based on your calculations, which of the following best represents the decision regarding the null hypothesis? Use the following formula:

For a sample of 350, a researcher calculates $\chi$ ² = 6.62 with 2 degrees of freedom. Which of the following is the correct way to present this analysis?

Calculate the chi-square statistic for the data in the following table:

For a chi-square with 6 groups for the row variable and 2 groups for the column variable, the critical value for α = .01 would be equal to ______.

For a chi-square with 3 groups for the row variable and 2 groups for the column variable, the critical value for α = .01 would be equal to ______.

Calculate the expected frequency (f_e) for those who believe the police do a good job and are not at all afraid to walk after dark.

Which statistical procedure should be conducted if any of the expected frequencies (f_e) are greater than 10?

What is the expected frequency (f_e) for Type D?

Calculate Cramér's $\phi$ for the following data: $Calculate Cramér's \phi for the following data: Use the following formula:$ Use the following formula: $Calculate Cramér's \phi for the following data: Use the following formula:$

What is the expected frequency (f_e) for Type C?

What is Cramér's $\phi$ for the following data: $\chi$ ² = 20.22, N = 200; # groups= 4?

Calculate the expected frequency (f_e) for those who believe the police do a good job and are somewhat afraid to walk after dark.

Calculate Cramér's $\phi$ for the following data: $Calculate Cramér's \phi for the following data: Use the following formula:$ Use the following formula: $Calculate Cramér's \phi for the following data: Use the following formula:$

For a chi-square with 3 groups for the row variable and 2 groups for the column variable, the degrees of freedom would be equal to ______.

When reporting the results of a chi-square test of independence, one would include which of the following?

For $\chi$ ²= 8.56 with the number of groups = 6, the researcher would ______.

For $\alpha$ = .05 and df = 2, the critical value for a chi-square statistic would be ______.

What is the expected frequency (f_e) for Type D?

The assumption of independence is met when ______.

Use the following table to calculate the expected frequencies.

Introduction to Statistics

Examining Data: Tables and Figures

Measures of Central Tendency

Measures of Variability

Normal Distributions

Probability and Hypothesis Testing

Testing One Sample Mean

Estimating the Mean of a Population

Testing the Difference Between Two Means

Errors in Hypothesis Testing, Statistical Power, and Effect Size

One-Way Analysis of Variance Anova

Two-Way Analysis of Variance Anova

Correlation

Linear Regression and Multiple Correlation

Filters

Exam 15: Chi-Square

Based on your calculations, which of the following best represents the decision regarding the null hypothesis? Use the following formula:

For a sample of 350, a researcher calculates χ\chiχ 2 = 6.62 with 2 degrees of freedom. Which of the following is the correct way to present this analysis?

Calculate the chi-square statistic for the data in the following table:

For a chi-square with 6 groups for the row variable and 2 groups for the column variable, the critical value for α = .01 would be equal to ______.

For a chi-square with 3 groups for the row variable and 2 groups for the column variable, the critical value for α = .01 would be equal to ______.

Calculate the expected frequency (fe) for those who believe the police do a good job and are not at all afraid to walk after dark.

Which statistical procedure should be conducted if any of the expected frequencies (fe) are greater than 10?

What is the expected frequency (fe) for Type D?

Calculate Cramér's ϕ\phiϕ for the following data: Use the following formula:

What is the expected frequency (fe) for Type C?

What is Cramér's ϕ\phiϕ for the following data: χ\chiχ 2 = 20.22, N = 200; # groups= 4?

Calculate the expected frequency (fe) for those who believe the police do a good job and are somewhat afraid to walk after dark.

Calculate Cramér's ϕ\phiϕ for the following data: Use the following formula:

For a chi-square with 3 groups for the row variable and 2 groups for the column variable, the degrees of freedom would be equal to ______.

When reporting the results of a chi-square test of independence, one would include which of the following?

For χ\chiχ 2 = 8.56 with the number of groups = 6, the researcher would ______.

For α\alphaα = .05 and df = 2, the critical value for a chi-square statistic would be ______.

What is the expected frequency (fe) for Type D?

The assumption of independence is met when ______.

Use the following table to calculate the expected frequencies.

Introduction to Statistics

Examining Data: Tables and Figures

Measures of Central Tendency

Measures of Variability

Normal Distributions

Probability and Hypothesis Testing

Testing One Sample Mean

Estimating the Mean of a Population

Testing the Difference Between Two Means

Errors in Hypothesis Testing, Statistical Power, and Effect Size

One-Way Analysis of Variance Anova

Two-Way Analysis of Variance Anova

Correlation

Linear Regression and Multiple Correlation

Filters

For a sample of 350, a researcher calculates $\chi$ ² = 6.62 with 2 degrees of freedom. Which of the following is the correct way to present this analysis?

Calculate the expected frequency (f_e) for those who believe the police do a good job and are not at all afraid to walk after dark.

Which statistical procedure should be conducted if any of the expected frequencies (f_e) are greater than 10?

What is the expected frequency (f_e) for Type D?

Calculate Cramér's $\phi$ for the following data: $Calculate Cramér's \phi for the following data: Use the following formula:$ Use the following formula: $Calculate Cramér's \phi for the following data: Use the following formula:$

What is the expected frequency (f_e) for Type C?

What is Cramér's $\phi$ for the following data: $\chi$ ² = 20.22, N = 200; # groups= 4?

Calculate the expected frequency (f_e) for those who believe the police do a good job and are somewhat afraid to walk after dark.

Calculate Cramér's $\phi$ for the following data: $Calculate Cramér's \phi for the following data: Use the following formula:$ Use the following formula: $Calculate Cramér's \phi for the following data: Use the following formula:$

For $\chi$ ²= 8.56 with the number of groups = 6, the researcher would ______.

For $\alpha$ = .05 and df = 2, the critical value for a chi-square statistic would be ______.

What is the expected frequency (f_e) for Type D?