If Jon wants to compare whether there is a difference in the number of people over and under 30 years of age who report using texting as their primary mode of communication, the appropriate test would be ______.
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Correct Answer:
Chi-square goodness of fit
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The statistical test used to analyze nominal data from a study using two dependent groups is the ______.
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McNemar test
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The observed frequency is the ______.
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Number we obtain in a particular category
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A track coach wants to know whether her cross-country runners’ order for finishing on the home course is consistent with their order at other courses. She correlates 15 runners’ ranks for a home meet with their ranks for the next away meet. The appropriate statistic for this correlation is a ______.
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Spearman’s rho
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The chi-square test for independence is appropriate when we have ______.
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Two nominal variables with two or more categories
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Nonparametric tests used to analyze ordinal data include ______.
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Spearman’s rho and Mann–Whitney U test
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Assumptions of parametric statistics include ______.
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Normally distributed measure
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The matrix which represents the frequencies of the combined levels of the categories for a chi-square test of independence is called a ______.
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Contingency table
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If Pat hypothesizes that three times as many African American as Caucasian males are imprisoned, she would compute a ______.
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A chi-square goodness of fit for unequal frequencies
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Nonparametric test statistics are used when we have ______.
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All of these
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Wilcoxon t test is a nonparametric test used to analyze ordinal data collected from ____dependent groups.
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Two
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Spearman's rho is a commonly used nonparamet-ric statistic that analyzes the relationship or correlation between two ordinal variables.
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Correct Answer:
True
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Rank sums test is a nonparametric test used to analyze ordinal data from two independent groups when at least one of the groups has more than ___
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20
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Interpreted as the percentage of variability accounted for in the frequency of one variable by knowing its relation-ship with a second variable is called
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Phi squared
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Parametric Statistics used to analyze interval and ratio data and that assume a normal distribution and homogeneity of variance between groups.
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True
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The frequency or count we obtain in a particular category is called
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Correct Answer:
Observed frequency
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Non parametric Statistics used to analyze nominal and ordinal (ranked) data or used when the assumptions of parametric statistics are violated.
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Correct Answer:
True
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A nonparametric statistic used to analyze nominal data from a study using two dependent (matched or repeated measures) groups is called
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Mcnemar test
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A nonparametric test used to analyze ordinal data from two independent groups when n ≤ 20/group is called
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Mann whitney test
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A nonparametric test used to ana-lyze ordinal data from a study with one variable with at least three levels is called
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Kruskal wellis h test
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A nonparamet-ric test used to analyze ordinal or ranked data from a study with one variable with three or more dependent groups is friedman chi squared
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Correct Answer:
True
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The frequency or count we expect in a category according to the null hypothesis is called
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Correct Answer:
Expected frequency
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Cramer's v squared is an effect size statistic used when a contingency table is larger than a 2 × 2 and the number of rows and columns are different numbers (3 × 4, 4 × 2, etc.).
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True
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A matrix that presents frequencies representing the combined levels of two variables is called
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Correct Answer:
Contingency table
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Contingency coefficient squared is used to determine the effect size for a contingency table larger than 2 ×2 and with an equal number of rows and columns (3 ×3, 4 × 4, etc.).
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Correct Answer:
True
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A nonparametric statistic used to ana-lyze nominal data from a study that includes ___ dependent groups is cochran q test
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Three or more
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Nonparametric tests used with ____ data that compare expected versus observed frequencies is chi square test
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Correct Answer:
Nominal
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Chi square test for independence is a nonparametric test used with ____ nominal variables having two or more categories; tests whether the frequency distributions of two variables are independent.
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Correct Answer:
Two
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A nonparametric test used with one nominal variable having ____categories is called chi square goodness of fit
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Correct Answer:
Two or more
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