When a researcher is interested in measuring whether two groups differ on their responses to an ordinal variable, which test is the apt one to be used? Provide an example.
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Q18: If you wanted to test the effectiveness
Q19: The Kruskal-Wallis test does not generate a
Q20: When you want to compare groups on
Q21: Mann-Whitney U test is helpful in determining
Q22: Non-parametric statistical tests such as Mann-Whitney U
Q23: For categorical data, people are placed into
Q24: Spearman rank correlation coefficient is used when
Q25: Statistical significance can be computed for Kruskal-Wallis
Q26: Explain the importance of statistical significance in
Q27: An evaluative researcher wants to know whether
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