Exam 15: Nonparametric Statistics

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The most common approach to dealing with tied scores is to rank the scores by assigning the average rank for ties and then to introduce a(n)_____ into the formula for the test statistic to adjust for the presence of ties.

(Multiple Choice)
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The nonparametric counterpart of a one-way repeated-measures ANOVA is ____.

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For all of the nonparametric tests presented in chapter 16,determining the nature of the relationship involves a comparison of mean ranks to see which is higher/lower.

(True/False)
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Rank tests are able to handle a large number (up to 100)of ties in a data set.

(True/False)
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Which of the following conditions distinguishes a Friedman test from a Mann-Whitney U test?

(Multiple Choice)
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The Wilcoxon signed-rank test is a nonparametric alternative to which parametric test?

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The _____ involves converting a set of scores on a variable to ranks and then analyzing these rank scores using the traditional parametric formulas.

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When the sample sizes of both groups are 10 or greater,the shape of the sampling distribution of Rj approximates a normal distribution,which allows us to convert the R statistic to a z score.

(True/False)
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A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data: A researcher examined the relationship between gender and attitudes toward drinking alcohol.The researcher obtained the following data:   The expected rank sum for group 2 is _______________ group 1. The expected rank sum for group 2 is _______________ group 1.

(Multiple Choice)
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When the assumptions of a parametric test are violated,it is appropriate to use a ____________________ test for the data analysis

(Short Answer)
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The null and aternative hypotheses for the Wilcoxon rank sun test/Mann-Whitney U test are identical to those for the independent groups t test,except that they are stated in terms of the mean ranks.

(True/False)
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In all the nonparametric tests presented in the chapter,scores must be in the form of ____________________.

(Short Answer)
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The rank transformation approach involves converting a set of scores on a variable to ranks,and then analyzing these rank scores using the traditional parametric formulas.

(True/False)
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Friedman analysis of variance by ranks is the nonparametric counterpart of one-way repeated measures analysis of variance.

(True/False)
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The Kruskal-Wallis test is the nonparametric counterpart of one-way between subjects analysis of variance.

(True/False)
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