Question 1

The Mann-Whitney U test makes no assumption about the shape of the population scores.

Accepted Answer

A) True 
 B)False  True

Question 2

The value of c 2crit for the data in Question 53 with a = 0.01 is _________.

Accepted Answer

A)  6.635 
B)  15.086 
C)  13.277 
D)  11.668 
A)  6.635 
B)  15.086 
C)  13.277 
D)  11.668 C

Question 3

The Wilcoxin signed ranks test is less powerful than the sign test.

Accepted Answer

A) True 
 B)False  False

Question 4

For any given alpha level, c 2crit _________.

Accepted Answer

A)  increases with increases in N 
B)  decreases with increases in N 
C)  increases with increases in degrees of freedom 
D)  increases with increases in N and increases with increases in degrees of freedom 
A)  increases with increases in N 
B)  decreases with increases in N 
C)  increases with increases in degrees of freedom 
D)  increases with increases in N and increases with increases in degrees of freedom

Question 5

Define Mann-Whitney U test.

Accepted Answer

The Mann-Whitney U test, also known as t

Question 6

A neuropsychologist wants to determine if people who have a dominant right cerebral hemisphere differ from people with a dominant left cerebral hemisphere in their choice of either music or reading as a preferred activity. He surveyed 127 subjects with the following results.

Accepted Answer

The answer of A neuropsychologist wants to determine if people...

Question 7

Generally, if R 1 is greater than R 2 , _________.

Accepted Answer

A)  the equation   yields the U value 
B)  the equation   yields the U value 
C)  the power of the test is necessarily low 
D)  we must reject   
A)  the equation   yields the U value 
B)  the equation   yields the U value 
C)  the power of the test is necessarily low 
D)  we must reject

Question 8

What are the assumptions underlying the Wilcoxon signed ranks test?

Accepted Answer

The Wilcoxon signed-rank test is a non-p

Question 9

For valid use of chi-square, each subject can only have one entry in the table, and the table entries must be frequencies.

Accepted Answer

A) True 
 B)False

Question 10

If an experiment using frequency data tested the preference for 6 brands of soup, there would be _________ degrees of freedom.

Accepted Answer

A)  1 
B)  N - 1 
C)  5 
D)  6 
A)  1 
B)  N - 1 
C)  5 
D)  6

Question 11

Prior to a recent gubernatorial election, a survey was conducted to determine whether there was a relationship between sexual gender and preference for the Democratic or Republican candidate. The following data were recorded. Assume the data will be analyzed with Chi-square.   Using a = 0.05, what is your conclusion?

Accepted Answer

A)  accept H 0 ; there is no relationship between sex and candidate preference 
B)  reject H 0 ; there is a significant relationship between sex and candidate preference 
C)  retain H 0 ; the study does not show a significant relationship between sex and candidate preference 
D)  retain H 0 ; this study shows a significant relationship between sex and candidate preference 
A)  accept H 0 ; there is no relationship between sex and candidate preference 
B)  reject H 0 ; there is a significant relationship between sex and candidate preference 
C)  retain H 0 ; the study does not show a significant relationship between sex and candidate preference 
D)  retain H 0 ; this study shows a significant relationship between sex and candidate preference

Question 12

The statistic used with the Kruskal-Wallis test is _________.

Accepted Answer

A)  F obt 
B)  H obt 
C)  U obt 
D)  t obt 
A)  F obt 
B)  H obt 
C)  U obt 
D)  t obt

Question 13

Identify the most sensitive, alternate nonparametric test for the following: t test for correlated groups, t test for independent groups, one-way, independent groups ANOVA.

Accepted Answer

For each of the parametric tests mention

Question 14

The degrees of freedom for a contingency table equal _________.

Accepted Answer

A)  rc - 1 
B)  ( r - 1)( c - 1) 
C)  ( r - 1)( c ) 
D)  ( c - 1)( r ) 
E)  N - 1 
A)  rc - 1 
B)  ( r - 1)( c - 1) 
C)  ( r - 1)( c ) 
D)  ( c - 1)( r ) 
E)  N - 1

Question 15

A group of pain researchers want to test the hypothesis that different religious groups have different pain complaints. The following data were collected from a review of the patient charts from a hospital pain clinic.

Accepted Answer

The answer of A group of pain researchers want to...

Question 16

Generally, U' obt U obt

Accepted Answer

A) True 
 B)False

Question 17

c 2obt cannot be negative.

Accepted Answer

A) True 
 B)False

Question 18

The value of c 2crit for the table in question 56 with a = 0.05 is _________.

Accepted Answer

A)  13.277 
B)  7.779 
C)  3.841 
D)  9.488 
A)  13.277 
B)  7.779 
C)  3.841 
D)  9.488

Question 19

Parametric tests depend less on population characteristics than nonparametric tests.

Accepted Answer

A) True 
 B)False

Question 20

In the Mann-Whitney U test, the U value of 0 _________.

Accepted Answer

A)  represents a low degree of separation between the two groups 
B)  implies that the two groups are identical 
C)  represents the greatest degree of separation between the two groups 
D)  indicates that the power of the experiment is very low. 
A)  represents a low degree of separation between the two groups 
B)  implies that the two groups are identical 
C)  represents the greatest degree of separation between the two groups 
D)  indicates that the power of the experiment is very low.

The Mann-Whitney U test makes no assumption about the shape of the population scores.

The value of c 2crit for the data in Question 53 with a = 0.01 is _________.

The Wilcoxin signed ranks test is less powerful than the sign test.

For any given alpha level, c 2crit _________.

Define Mann-Whitney U test.

A neuropsychologist wants to determine if people who have a dominant right cerebral hemisphere differ from people with a dominant left cerebral hemisphere in their choice of either music or reading as a preferred activity. He surveyed 127 subjects with the following results.

Generally, if R 1 is greater than R 2 , _________.

What are the assumptions underlying the Wilcoxon signed ranks test?

For valid use of chi-square, each subject can only have one entry in the table, and the table entries must be frequencies.

If an experiment using frequency data tested the preference for 6 brands of soup, there would be _________ degrees of freedom.

The statistic used with the Kruskal-Wallis test is _________.

Identify the most sensitive, alternate nonparametric test for the following: t test for correlated groups, t test for independent groups, one-way, independent groups ANOVA.

The degrees of freedom for a contingency table equal _________.

A group of pain researchers want to test the hypothesis that different religious groups have different pain complaints. The following data were collected from a review of the patient charts from a hospital pain clinic.

Generally, U' obt U obt

c 2obt cannot be negative.

The value of c 2crit for the table in question 56 with a = 0.05 is _________.

Parametric tests depend less on population characteristics than nonparametric tests.

In the Mann-Whitney U test, the U value of 0 _________.

Statistics and Scientific Method

Basic Mathematical and Measurement Concepts

Frequency Distributions

Measures of Central Tendency and Variability

The Normal Curve and Standard Scores

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Introduction to Hypothesis Testing: Using the Sign Test

Power

Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Analysis of Variance

Introduction to the Two-Way Analysis of Variance

Filters

Exam 17: Chi-Square and Other Nonparametric Tests

The Mann-Whitney U test makes no assumption about the shape of the population scores.

The value of c 2crit for the data in Question 53 with a = 0.01 is _________.

The Wilcoxin signed ranks test is less powerful than the sign test.

For any given alpha level, c 2crit _________.

Define Mann-Whitney U test.

A neuropsychologist wants to determine if people who have a dominant right cerebral hemisphere differ from people with a dominant left cerebral hemisphere in their choice of either music or reading as a preferred activity. He surveyed 127 subjects with the following results.

Generally, if R 1 is greater than R 2 , _________.

What are the assumptions underlying the Wilcoxon signed ranks test?

For valid use of chi-square, each subject can only have one entry in the table, and the table entries must be frequencies.

If an experiment using frequency data tested the preference for 6 brands of soup, there would be _________ degrees of freedom.

The statistic used with the Kruskal-Wallis test is _________.

Identify the most sensitive, alternate nonparametric test for the following: t test for correlated groups, t test for independent groups, one-way, independent groups ANOVA.

The degrees of freedom for a contingency table equal _________.

A group of pain researchers want to test the hypothesis that different religious groups have different pain complaints. The following data were collected from a review of the patient charts from a hospital pain clinic.

Generally, U' obt U obt

c 2obt cannot be negative.

The value of c 2crit for the table in question 56 with a = 0.05 is _________.

Parametric tests depend less on population characteristics than nonparametric tests.

In the Mann-Whitney U test, the U value of 0 _________.

Statistics and Scientific Method

Basic Mathematical and Measurement Concepts

Frequency Distributions

Measures of Central Tendency and Variability

The Normal Curve and Standard Scores

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Introduction to Hypothesis Testing: Using the Sign Test

Power

Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Analysis of Variance

Introduction to the Two-Way Analysis of Variance

Filters