Question 1

Independent samples is to paired samples as

Accepted Answer

A)  Wilcoxon matched-pairs signed-ranks is to Mann-Whitney 
B)  Mann-Whitney is to Wilcoxon matched-pairs signed-ranks 
C)  Spearman rs is to Mann-Whitney 
D)  Spearman rs is to Wilcoxon matched-pairs signed-ranks. 
A)  Wilcoxon matched-pairs signed-ranks is to Mann-Whitney 
B)  Mann-Whitney is to Wilcoxon matched-pairs signed-ranks 
C)  Spearman rs is to Mann-Whitney 
D)  Spearman rs is to Wilcoxon matched-pairs signed-ranks.

Question 2

The descriptive (rather than inferential) statistic(s) in Chapter 15 is (are) the

Accepted Answer

A)  Mann-Whitney U test 
B)  Wilcoxon matched-pairs signed-ranks T test 
C)  both of the descriptive alternatives are correct 
D)  neither of the descriptive alternatives is correct. 
A)  Mann-Whitney U test 
B)  Wilcoxon matched-pairs signed-ranks T test 
C)  both of the descriptive alternatives are correct 
D)  neither of the descriptive alternatives is correct.

Question 3

are based on the idea that subjects are randomly assigned to groups.

Accepted Answer

A)  parametric tests 
B)  nonparametric tests 
C)  both of the descriptive alternatives are correct 
D)  neither of the descriptive alternatives is correct 
A)  parametric tests 
B)  nonparametric tests 
C)  both of the descriptive alternatives are correct 
D)  neither of the descriptive alternatives is correct

Question 4

One common use of statistics in education is to compile a composite score for each university on a list of universities. Suppose you thought that being a private university would contribute to having a higher ranking and that public universities would generally have lower ranks. To make sure that the age of the university didn't influence the comparison, you matched each private university with a public one that was founded at about the same time. Which statistic should you use to make this comparison between kinds of universities?

Accepted Answer

A)  Mann-Whitney U test 
B)  Wilcoxon matched-pairs signed-ranks T test 
C)  Wilcoxon-Wilcox multiple comparisons test 
D)  Spearman rs. 
A)  Mann-Whitney U test 
B)  Wilcoxon matched-pairs signed-ranks T test 
C)  Wilcoxon-Wilcox multiple comparisons test 
D)  Spearman rs.

Question 5

One common use of statistics is to rank a set of cities so the Number 1 is "best"and Number Last is "worst."Suppose you thought that west coast cities were better than mid-America cities, which were better than east coast cities. Which statistic should you use to make this comparison?

Accepted Answer

A)  Mann-Whitney U test 
B)  Wilcoxon matched-pairs signed-ranks T test 
C)  Wilcoxon-Wilcox multiple comparisons test 
D)  Spearman rs. 
A)  Mann-Whitney U test 
B)  Wilcoxon matched-pairs signed-ranks T test 
C)  Wilcoxon-Wilcox multiple comparisons test 
D)  Spearman rs.

Question 6

When you have large sample sizes for the Mann-Whitney U and the Wilcoxon matched-pairs signed-ranks T test, you use thedistribution as the sampling distribution.

Accepted Answer

A)  normal 
B)  t 
C)  F 
D)  x2. 
A)  normal 
B)  t 
C)  F 
D)  x2.

Question 7

Nonparametric tests assume that the populations being sampled from are normally distributed and have equal variances.

Accepted Answer

A) True 
 B)False

Question 8

Chapter 15 of your textbook explained the calculation of three kinds of correlation coefficients.

Accepted Answer

A) True 
 B)False

Question 9

The Wilcoxon-Wilcox multiple comparisons test is used for independent samples.

Accepted Answer

A) True 
 B)False

Question 10

When U and T are based on large samples, the proper sampling distribution is thedistribution.

Accepted Answer

A)  t 
B)  F 
C)  normal 
D)  chi square. 
A)  t 
B)  F 
C)  normal 
D)  chi square.

Question 11

Suppose you obtained a Spearman rs of .43 from a sample of 20 pairs of scores. For a two-tailed test, such a correlation is

Accepted Answer

A)  significant at the .05 level 
B)  significant at the .01 level 
C)  significant at the .001 level 
D)  not statistically significant. 
A)  significant at the .05 level 
B)  significant at the .01 level 
C)  significant at the .001 level 
D)  not statistically significant.

Question 12

Suppose you find that three people tied for the top score in a Wilcoxon-Wilcox multiple-comparisons test. The correct procedure is to

Accepted Answer

A)  assign a rank of 1 to all three 
B)  assign a rank of 2 to all three 
C)  assign a rank of 3 to all three 
D)  randomly determine which scores get ranks 1, 2 and 3. 
A)  assign a rank of 1 to all three 
B)  assign a rank of 2 to all three 
C)  assign a rank of 3 to all three 
D)  randomly determine which scores get ranks 1, 2 and 3.

Question 13

The number of independent variables in the Wilcoxon-Wilcox multiple comparisons test is

Accepted Answer

A)  one 
B)  two 
C)  two or more. 
A)  one 
B)  two 
C)  two or more.

Question 14

What rank would a score of 4 have in the following distribution? 1, 2, 3, 4, 4, 4, 4, 5

Accepted Answer

A)  4 
B)  4.5 
C)  5 
D)  5.5 
A)  4 
B)  4.5 
C)  5 
D)  5.5

Question 15

Parametric and nonparametric tests differ from each other when it comes to

Accepted Answer

A)  whether a null hypothesis is tested 
B)  whether a sampling distribution is used 
C)  which test has more power in a particular situation 
D)  all of the descriptive alternatives are correct. 
A)  whether a null hypothesis is tested 
B)  whether a sampling distribution is used 
C)  which test has more power in a particular situation 
D)  all of the descriptive alternatives are correct.

Question 16

Nonparametric tests are used rather than a t test or an ANOVA when

Accepted Answer

A)  the researcher does not know the specific value of the population parameters 
B)  the data are in the form of ranks 
C)  the assumption of random assignment is not justified 
D)  a null hypothesis cannot be specified. 
A)  the researcher does not know the specific value of the population parameters 
B)  the data are in the form of ranks 
C)  the assumption of random assignment is not justified 
D)  a null hypothesis cannot be specified.

Question 17

A discrimination-minded lawyer was trying to establish as fact one of the most prevalent kinds of discrimination which he had named "alpha discrimination."This is discrimination based on the alphabetical position of the last name. The names below are WWII buck sergeants and the numbers are the months that passed before being promoted from corporal to sergeant. Calculate a Spearman rs and test its significance.Friedman (9), Bums (4), Malinvaud (11), Leontieff (10), Shumpeter (20), Heilbroner (7), Galbraith (8), Ezekiel (6), Papandreou (14), Ohlin (18), Rybczynski (16), Kalecki (14).

Accepted Answer

Rearranging the data to put the sergeant

Question 18

For a Spearman rs, a difference of zero means that an error has been made.

Accepted Answer

A) True 
 B)False

Question 19

Suppose you obtained a Spearman rs of .38 from 26 pairs of scores. For a two-tailed test, such a correlation coefficient should be considered

Accepted Answer

A)  significant at the .05 level 
B)  significant at the .01 level 
C)  significant at the .001 level 
D)  not statistically significant. 
A)  significant at the .05 level 
B)  significant at the .01 level 
C)  significant at the .001 level 
D)  not statistically significant.

Question 20

Last year's successful Rhodes Scholar decided he could predict with some accuracy whether candidates would be ranked among the top or bottom half by the examining committee. The examining committee ranked the candidates in the order given below, which turns out to be the 10 most common names in America. The T or B in parentheses refers to the prediction of last year's Scholar. What can you conclude about the Scholar's boast? $$\begin{array} { l l l l } 
\text { 1. } & \text { Smith (T) } & \text { 6. } & \text { Davis (B) } \
\text { 2. } & \text { Johnson (B) } & \text { 7. } & \text { Miller(B) } \
\text { 3. } & \text { Williams (T) } & \text { 8. } & \text { Wilson (T) } \
\text { 4. } & \text { Jones (T) } & \text { 9. } & \text { Moore (B) } \
\text { 5. } & \text { Brown (T) } & \text { 10. } & \text { Taylor (B) }
\end{array}$$

Accepted Answer

@#LAT-DLM&@#LAT-DLM&R_top= 21 @#LAT-DLM&R_bottom

Independent samples is to paired samples as

The descriptive (rather than inferential) statistic(s) in Chapter 15 is (are) the

are based on the idea that subjects are randomly assigned to groups.

One common use of statistics is to rank a set of cities so the Number 1 is "best"and Number Last is "worst."Suppose you thought that west coast cities were better than mid-America cities, which were better than east coast cities. Which statistic should you use to make this comparison?

When you have large sample sizes for the Mann-Whitney U and the Wilcoxon matched-pairs signed-ranks T test, you use thedistribution as the sampling distribution.

Nonparametric tests assume that the populations being sampled from are normally distributed and have equal variances.

Chapter 15 of your textbook explained the calculation of three kinds of correlation coefficients.

The Wilcoxon-Wilcox multiple comparisons test is used for independent samples.

When U and T are based on large samples, the proper sampling distribution is thedistribution.

Suppose you obtained a Spearman r_s of .43 from a sample of 20 pairs of scores. For a two-tailed test, such a correlation is

Suppose you find that three people tied for the top score in a Wilcoxon-Wilcox multiple-comparisons test. The correct procedure is to

The number of independent variables in the Wilcoxon-Wilcox multiple comparisons test is

What rank would a score of 4 have in the following distribution? 1, 2, 3, 4, 4, 4, 4, 5

Parametric and nonparametric tests differ from each other when it comes to

Nonparametric tests are used rather than a t test or an ANOVA when

For a Spearman r_s, a difference of zero means that an error has been made.

Suppose you obtained a Spearman r_s of .38 from 26 pairs of scores. For a two-tailed test, such a correlation coefficient should be considered

Introduction

Exploring Data: Frequency Distributions and Graphs

Exploring Data: Central Tendency

Exploring Data: Variability

Other Descriptive Statistics

Correlation and Regression

Theoretical Distributions Including the Normal Distribution

Samples, Sampling Distributions, and Confidence Intervals

Hypothesis Testing and Effect Size: One-Sample Designs

Hypothesis Testing, Effect Size, and and Confidence Intervals: Two-Sample Designs

Analysis of Variance: One-Way Classification

Analysis of Variance: One-Factor Repeated Measures

Analysis of Variance: Factorial Design

Chi Square Tests

Appendix: Grouped Frequency Distributions and Central Tendency

Filters

Exam 15: More Nonparametric Tests

Independent samples is to paired samples as

The descriptive (rather than inferential) statistic(s) in Chapter 15 is (are) the

are based on the idea that subjects are randomly assigned to groups.

One common use of statistics is to rank a set of cities so the Number 1 is "best"and Number Last is "worst."Suppose you thought that west coast cities were better than mid-America cities, which were better than east coast cities. Which statistic should you use to make this comparison?

When you have large sample sizes for the Mann-Whitney U and the Wilcoxon matched-pairs signed-ranks T test, you use thedistribution as the sampling distribution.

Nonparametric tests assume that the populations being sampled from are normally distributed and have equal variances.

Chapter 15 of your textbook explained the calculation of three kinds of correlation coefficients.

The Wilcoxon-Wilcox multiple comparisons test is used for independent samples.

When U and T are based on large samples, the proper sampling distribution is thedistribution.

Suppose you obtained a Spearman rs of .43 from a sample of 20 pairs of scores. For a two-tailed test, such a correlation is

Suppose you find that three people tied for the top score in a Wilcoxon-Wilcox multiple-comparisons test. The correct procedure is to

The number of independent variables in the Wilcoxon-Wilcox multiple comparisons test is

What rank would a score of 4 have in the following distribution? 1, 2, 3, 4, 4, 4, 4, 5

Parametric and nonparametric tests differ from each other when it comes to

Nonparametric tests are used rather than a t test or an ANOVA when

For a Spearman rs, a difference of zero means that an error has been made.

Suppose you obtained a Spearman rs of .38 from 26 pairs of scores. For a two-tailed test, such a correlation coefficient should be considered

Introduction

Exploring Data: Frequency Distributions and Graphs

Exploring Data: Central Tendency

Exploring Data: Variability

Other Descriptive Statistics

Correlation and Regression

Theoretical Distributions Including the Normal Distribution

Samples, Sampling Distributions, and Confidence Intervals

Hypothesis Testing and Effect Size: One-Sample Designs

Hypothesis Testing, Effect Size, and and Confidence Intervals: Two-Sample Designs

Analysis of Variance: One-Way Classification

Analysis of Variance: One-Factor Repeated Measures

Analysis of Variance: Factorial Design

Chi Square Tests

Appendix: Grouped Frequency Distributions and Central Tendency

Filters

Suppose you obtained a Spearman r_s of .43 from a sample of 20 pairs of scores. For a two-tailed test, such a correlation is

For a Spearman r_s, a difference of zero means that an error has been made.

Suppose you obtained a Spearman r_s of .38 from 26 pairs of scores. For a two-tailed test, such a correlation coefficient should be considered