Parametric tests typically assume the underlying population to be normally distributed.
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Q2: If the distributional assumptions of a parametric
Q3: If we have a matched-pairs sample of
Q4: The Kruskal-Wallis test is always a _-tailed
Q5: If we wish to compare central tendencies
Q6: The Wilcoxon rank-sum test is used as
Q8: Parametric tests are distribution-free tests.
Q9: The null hypothesis of the Wald-Wolfowitz runs
Q10: The Wilcoxon signed-rank test for a population
Q11: The Kruskal-Wallis test is a nonparametric alternative
Q12: Pearson's correlation coefficient is used as the
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