Question 1

Find the critical value from Table L for the rank correlation coefficient, given sample size n = 7 and   .

Accepted Answer

A)  0.868 
B)  0.714 
C)  0.958 
D)  0.584 
A)  0.868 
B)  0.714 
C)  0.958 
D)  0.584

Question 2

Two students rated, then ranked seven different television shows. The final rankings are listed in the table below. Determine the critical value needed for the Spearman rank correlation coefficient to reject the null hypothesis that the two students' rankings are not correlated at α = 0.01.

Accepted Answer

A)  1.000 
B)  0.780 
C)  0.716 
D)  0.929 
A)  1.000 
B)  0.780 
C)  0.716 
D)  0.929

Question 3

A researcher tests three different brands of 2% milk to see how many grams of fat are in each 8 ounce glass. The results are shown below along with the sums of the ranks of the different brands.   RA = 33; RB = 29; RC = 58
What is the test value for the Kruskal-Wallis test?

Accepted Answer

A)  4.94 
B)  -8.85 
C)  9.24 
D)  11.19 
A)  4.94 
B)  -8.85 
C)  9.24 
D)  11.19

Find the critical value from Table L for the rank correlation coefficient, given sample size n = 7 and .

Two students rated, then ranked seven different television shows. The final rankings are listed in the table below. Determine the critical value needed for the Spearman rank correlation coefficient to reject the null hypothesis that the two students' rankings are not correlated at α = 0.01.

A researcher tests three different brands of 2% milk to see how many grams of fat are in each 8 ounce glass. The results are shown below along with the sums of the ranks of the different brands. R_A = 33; R_B= 29; R_C = 58 What is the test value for the Kruskal-Wallis test?

The Nature of Probability and Statistics

Frequency Distributions and Graphs

Data Description

Probability and Counting Rules

Discrete Probability Distributions

The Normal Distribution

Confidence Intervals and Sample Size

Hypothesis Testing

Testing the Difference Between Two Means, Two Variances, and Two Proportions

Correlation and Regression

Other Chi-Square Tests

Analysis of Variance

Sampling and Simulation

Filters

Exam 13: Nonparametric Statistics

Find the critical value from Table L for the rank correlation coefficient, given sample size n = 7 and .

Two students rated, then ranked seven different television shows. The final rankings are listed in the table below. Determine the critical value needed for the Spearman rank correlation coefficient to reject the null hypothesis that the two students' rankings are not correlated at α = 0.01.

A researcher tests three different brands of 2% milk to see how many grams of fat are in each 8 ounce glass. The results are shown below along with the sums of the ranks of the different brands. RA = 33; RB = 29; RC = 58 What is the test value for the Kruskal-Wallis test?

The Nature of Probability and Statistics

Frequency Distributions and Graphs

Data Description

Probability and Counting Rules

Discrete Probability Distributions

The Normal Distribution

Confidence Intervals and Sample Size

Hypothesis Testing

Testing the Difference Between Two Means, Two Variances, and Two Proportions

Correlation and Regression

Other Chi-Square Tests

Analysis of Variance

Sampling and Simulation

Filters

A researcher tests three different brands of 2% milk to see how many grams of fat are in each 8 ounce glass. The results are shown below along with the sums of the ranks of the different brands. R_A = 33; R_B= 29; R_C = 58 What is the test value for the Kruskal-Wallis test?