Question 1

The nonparametric alternative to analysis of variance for a randomized block design is the ___.

Accepted Answer

A) chi-square test 
B) Kruskal-Wallis test 
C) Mann-Whitney U test 
D) Wilcoxon test 
E) Friedman test 
A) chi-square test 
B) Kruskal-Wallis test 
C) Mann-Whitney U test 
D) Wilcoxon test 
E) Friedman test

Question 2

Correlation coefficients may be computed for parametric and nonparametric data.If the data are interval data,which of the following should be used?

Accepted Answer

A) Pearson correlation coefficient 
B) Spearman correlation coefficient 
C) Gaussian correlation coefficient 
D) De Moivre correlation coefficient 
E) Gossett correlation coefficient 
A) Pearson correlation coefficient 
B) Spearman correlation coefficient 
C) Gaussian correlation coefficient 
D) De Moivre correlation coefficient 
E) Gossett correlation coefficient

Question 3

In a Friedman test with 4 treatment levels and 5 blocks,the df = ___.

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 4

Use Spearman's rank correlation to analyze the degree of association of two variables.

Accepted Answer

If two variables contain data that are o

Question 5

Nonparametric statistics are sometimes called ___.

Accepted Answer

A) nominal statistics 
B) interval statistics 
C) distribution-dependent statistics 
D) distribution-free statistics 
E) qualitative statistics 
A) nominal statistics 
B) interval statistics 
C) distribution-dependent statistics 
D) distribution-free statistics 
E) qualitative statistics

Question 6

Charles Clayton monitors the daily performance of his investment portfolio by recording a "+" or a "-"sign to indicate whether the portfolio's value increased or decreased from the previous day.His record for the last eighteen business days is "- + + - - - + - - + + + - + + + + -".The number of runs in this sample is ___.

Accepted Answer

A) uncertain 
B) four 
C) five 
D) nine 
E) one 
A) uncertain 
B) four 
C) five 
D) nine 
E) one

Question 7

The methods of parametric statistics require ___.

Accepted Answer

A) interval or ratio data 
B) nominal or ordinal data 
C) large samples 
D) small samples 
E) qualitative data 
A) interval or ratio data 
B) nominal or ordinal data 
C) large samples 
D) small samples 
E) qualitative data

Question 8

What is the Spearman rank correlation coefficient for the following set of data?

Accepted Answer

A) -10.2 
B) -2.35 
C) 0.65 
D) 0.50 
E) 0.05 
A) -10.2 
B) -2.35 
C) 0.65 
D) 0.50 
E) 0.05

Question 9

When using the Friedman test to test the following data to determine whether there is a significant difference between treatment levels,the df = ___.

Accepted Answer

A) 6 
B) 5 
C) 4 
D) 3 
E) 1 
A) 6 
B) 5 
C) 4 
D) 3 
E) 1

Question 10

Performance records for 18 salespersons are selected to investigate whether compensation methods are a significant motivational factor.   
A Kruskal-Wallis test is to be performed with $\alpha$= 0.01.The critical chi-square value is ___.

Accepted Answer

A) 15.086 
B) 13.277 
C) 7.779 
D) 9.210 
E) 8.657 
A) 15.086 
B) 13.277 
C) 7.779 
D) 9.210 
E) 8.657

Question 11

The sampling distribution of R,the number of runs,in the one-sample runs test for randomness of the observations in a large sample is approximately normal.

Accepted Answer

A) True 
 B)False

Question 12

The null hypothesis in the Kruskal-Wallis test is ___.

Accepted Answer

A) all populations are identical 
B) all sample means are different 
C) x and y are not correlated 
D) the mean difference is zero 
E) all populations are not identical 
A) all populations are identical 
B) all sample means are different 
C) x and y are not correlated 
D) the mean difference is zero 
E) all populations are not identical

Question 13

Which of the following tests should be used to compare the means of two populations if the samples are independent?

Accepted Answer

A) Mann-Whitney test 
B) Wilcoxon test 
C) Runs test 
D) Spearman's test 
E) Kruskal-Wallis test 
A) Mann-Whitney test 
B) Wilcoxon test 
C) Runs test 
D) Spearman's test 
E) Kruskal-Wallis test

Question 14

The one-sample runs test is a ___.

Accepted Answer

A) nonparametric test for statistical independence 
B) parametric test for statistical independence 
C) nonparametric test of randomness 
D) nonparametric test for correlation 
E) parametric test of sequences 
A) nonparametric test for statistical independence 
B) parametric test for statistical independence 
C) nonparametric test of randomness 
D) nonparametric test for correlation 
E) parametric test of sequences

Question 15

Charles Clayton monitors the daily performance of his investment portfolio by recording a "+" or a "-"sign to indicate whether the portfolio's value increased or decreased from the previous day.His record for the last eighteen business days is "- + + - - - + - - + + + + + + + + -".The number of runs in this sample is ___.

Accepted Answer

A) seven 
B) six 
C) four 
D) three 
E) one 
A) seven 
B) six 
C) four 
D) three 
E) one

Question 16

Personnel specialist Steve Satterfield is assessing a new supervisor's ability to follow company standards for evaluating employees.Steve has the new supervisor rate five hypothetical employees on a scale of one to ten.He is interested in how the new supervisor's ratings correlate with company norms for these benchmark cases.   The Spearman rank correlation coefficient is ___.

Accepted Answer

A) 0.80 
B) 0.85 
C) 0.90 
D) 0.25 
E) 1.00 
A) 0.80 
B) 0.85 
C) 0.90 
D) 0.25 
E) 1.00

Question 17

Which of the following tests should be used to compare the means of three populations if the sample data is ordinal?

Accepted Answer

A) one-way analysis of variance 
B) Kruskal-Wallis test 
C) Wilcoxon test 
D) Mann-Whitney test 
E) Friedman test 
A) one-way analysis of variance 
B) Kruskal-Wallis test 
C) Wilcoxon test 
D) Mann-Whitney test 
E) Friedman test

Question 18

The nonparametric alternative to the one-way analysis of variance is the ___.

Accepted Answer

A) chi-square goodness-of-fit test 
B) Kruskal-Wallis test 
C) Mann-Whitney U test 
D) Wilcoxon test 
E) Friedman test 
A) chi-square goodness-of-fit test 
B) Kruskal-Wallis test 
C) Mann-Whitney U test 
D) Wilcoxon test 
E) Friedman test

Question 19

Use the Friedman test to determine whether different treatment levels come from the same population when a blocking variable is available.

Accepted Answer

The Friedman test is a nonparametric alt

Question 20

The nonparametric counterpart of the t test to compare the means of two independent populations is the ___.

Accepted Answer

A) chi-square goodness-of-fit test 
B) chi-square test of independence 
C) Mann-Whitney U test 
D) Wilcoxon test 
E) Friedman test 
A) chi-square goodness-of-fit test 
B) chi-square test of independence 
C) Mann-Whitney U test 
D) Wilcoxon test 
E) Friedman test

The nonparametric alternative to analysis of variance for a randomized block design is the ___.

Correlation coefficients may be computed for parametric and nonparametric data.If the data are interval data,which of the following should be used?

In a Friedman test with 4 treatment levels and 5 blocks,the df = ___.

Use Spearman's rank correlation to analyze the degree of association of two variables.

Nonparametric statistics are sometimes called ___.

The methods of parametric statistics require ___.

What is the Spearman rank correlation coefficient for the following set of data?

When using the Friedman test to test the following data to determine whether there is a significant difference between treatment levels,the df = ___.

The sampling distribution of R,the number of runs,in the one-sample runs test for randomness of the observations in a large sample is approximately normal.

The null hypothesis in the Kruskal-Wallis test is ___.

Which of the following tests should be used to compare the means of two populations if the samples are independent?

The one-sample runs test is a ___.

Which of the following tests should be used to compare the means of three populations if the sample data is ordinal?

The nonparametric alternative to the one-way analysis of variance is the ___.

Use the Friedman test to determine whether different treatment levels come from the same population when a blocking variable is available.

The nonparametric counterpart of the t test to compare the means of two independent populations is the ___.

Introduction to Statistics

Charts and Graphs

Descriptive Statistics

Probability

Discrete Distributions

Continuous Distributions

Sampling and Sampling Distributions

Statistical Inference: Estimation for Single Populations

Statistical Inference: Hypothesis Testing for Single Populations

Statistical Inferences About Two Populations

Analysis of Variance and Design of Experiments

Simple Regression Analysis and Correlation

Multiple Regression Analysis

Building Multiple Regression Models

Time-Series Forecasting and Index Numbers

Analysis of Categorical Data

Statistical Quality Control

Decision Analysis

Filters

Exam 17: Nonparametric Statistics

The nonparametric alternative to analysis of variance for a randomized block design is the ___.

Correlation coefficients may be computed for parametric and nonparametric data.If the data are interval data,which of the following should be used?

In a Friedman test with 4 treatment levels and 5 blocks,the df = ___.

Use Spearman's rank correlation to analyze the degree of association of two variables.

Nonparametric statistics are sometimes called ___.

The methods of parametric statistics require ___.

What is the Spearman rank correlation coefficient for the following set of data?

When using the Friedman test to test the following data to determine whether there is a significant difference between treatment levels,the df = ___.

Performance records for 18 salespersons are selected to investigate whether compensation methods are a significant motivational factor. A Kruskal-Wallis test is to be performed with α\alphaα = 0.01.The critical chi-square value is ___.

The sampling distribution of R,the number of runs,in the one-sample runs test for randomness of the observations in a large sample is approximately normal.

The null hypothesis in the Kruskal-Wallis test is ___.

Which of the following tests should be used to compare the means of two populations if the samples are independent?

The one-sample runs test is a ___.

Which of the following tests should be used to compare the means of three populations if the sample data is ordinal?

The nonparametric alternative to the one-way analysis of variance is the ___.

Use the Friedman test to determine whether different treatment levels come from the same population when a blocking variable is available.

The nonparametric counterpart of the t test to compare the means of two independent populations is the ___.

Introduction to Statistics

Charts and Graphs

Descriptive Statistics

Probability

Discrete Distributions

Continuous Distributions

Sampling and Sampling Distributions

Statistical Inference: Estimation for Single Populations

Statistical Inference: Hypothesis Testing for Single Populations

Statistical Inferences About Two Populations

Analysis of Variance and Design of Experiments

Simple Regression Analysis and Correlation

Multiple Regression Analysis

Building Multiple Regression Models

Time-Series Forecasting and Index Numbers

Analysis of Categorical Data

Statistical Quality Control

Decision Analysis

Filters