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Exam 15: Nonparametric Statistics

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Question 61

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A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data: Which statement below best describes the nature of the relationship for the above data?

A) Women have a more positive attitude toward drinking alcohol than men.
B) Men have a more positive attitude toward drinking alcohol than women.
C) There was only a minimal difference between attitudes toward drinking alcohol for men and women.
D) There was no difference between attitudes toward drinking alcohol for men and women.

E) A) and B)
F) B) and C)

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Question 62

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The strength of the relationship for the Kruskal-Wallace test can be measured with eta-squared.

A) True
B) False

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Question 63

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The Spearman rank-order correlation coefficient ranges from 0 to +1.00 and is interpreted in the same manner as the coefficient of determination.

_____ statistical tests are a class of statistics that,in general,make few,if any,distributional assumptions

The strength of the relationship following a statistically significant _____ can be analyzed using the Glass rank biserial correlation coefficient.

The Wilcoxon rank sum test is a nonparametric alternative to which parametric test?

There are two major types of nonparametric tests -- rank tests and sign tests.

Under what conditions is the Friedman analysis of variance by ranks used toanalyze the relationship between two variables?

An alternative index of correlation of ranked scores is a statistic proposed by Kendall called:

Which of the following is not a requirement for the Mann-Whitney U?

A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data: What is the U value for group 2?

Under what conditions is the Spearman rank-order correlation used to analyze the relationship between two variables?

Analogous to analysis of variance,rejection of the null hypothesis when a nonparametric test is applied to more than two groups tells us only that at least two of the groups differ,but does not indicate the nature of the relationship.

The null and alternative hypotheses for the Kruskal-Wallis test are identical to those for the one-way between subjects analysis of variance,except that they are stated in terms of the mean ranks.

Under what conditions is the Wilcoxon signed-rank test used to analyze the relationship between two variables?

The Kruskal-Wallis test is the nonparametric counterpart of the:

In cases where a tie occurs,the tied scores are assigned the _____ of the ranks involved.

The _____ of the relationship for the Wilcoxon signed-rank test can be measured using the matched-pairs rank biserial correlation coefficient.

Rather than comparing groups in terms of means (as is the case with t tests and analysis of variance),the nonparametric procedures compare groups in terms of medians or other features of a distribution.

The rank transformation approach involves