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Exam 15: Nonparametric Statistics

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Question 41

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You are given the following data: Subject 1 2 3 4 5 Score 10 12 8 10 2 Rank -- -- -- -- -- The ranks for the scores of subjects 1-5 are ____.

A) 3.5,5,2,3.5,1
B) 1,2,3.5,3.5,5
C) 3,5,2,4,1
D) none of these

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Question 42

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Most of the parametric tests that we have considered have a nonparametric counterpart in the sense that the structure of the _____ is comparable across the two methods of analysis.

A) summary table
B) underlying distribution
C) critical ratio
D) independent variable

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Question 43

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A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data: Compared to a critical value of 2.0,the decision should be to _____ because the observed value is _____ than the critical value.

A benefit of the nonparametric tests is the lack of sensitivity to ____________________.

Nonparametric statistical tests are a class of statistics that,in general,make fewer distributional assumptions than parametric statistics.

Of the two major types of parametric tests,the ____________________ is used more often.

The strength of the relationship for the Wilcoxon signed-rank test can be measured using the ____.

What is the rank transformation approach?

If one wants to compare the rank ordering of scores as a function of different groups,then a(n) _____ should be used.

The Spearman rank-order correlation is a nonparametric alternative to which parametric test?

The nonparametric counterpart to the independent groups t test is the ____________________ test.

According to the assumptions of the rank tests,ties are viewed as the result of

For the Wilcoxon signed-rank test,in order for the null hypothesis to be rejected,the observed value of T must be equal to or less than the critical value.

In the Wilcoxon sign-rank test,the strength of the relationship can be measured with the matched-pairs rank biserial correlation coefficient.How is the calculated value interpreted for the strength of the relationship?

Following a significant Mann-Whitney U test,the strength of the relationship between two variables may be measured using ____.

The nonparametric counterpart to the one-way repeated measures analysis of variance is the ____________________.

Friedman analysis of variance by ranks involves first rank ordering the means for each experimental group.

A benefit of many nonparametric statistical tests is their relative lack of sensitivity to:

Under what conditions are the Wilcoxon rank sum test and the Mann-Whitney U test used to analyze the relationship between two variables?

Similar to the analysis of a Pearson correlation,the nature of the relationship when using a Spearman correlation is indicated by the sign of the correlation coefficient.