Statistics example

6. Critical Thinking Suppose you want to test whether there is a difference in means in a matched pair, "before and after" situation. If you know that the populations under investigation are at least mound-shaped and symmetric and you have a large sample, is it better to use the parametric paired differences test or the nonparametric sign test for matched pairs? Explain. For Problems 3-10, please provide the following information. (a) State the test used. (b) Give a. State the null and alternate hypotheses. (c) Find the sample test statistic