Hugo wants to examine differences in math scores before and after a study session. He recruits a random sample of middle school students. Each student completes a math test before and after participating in a study session (scores in table below). Conduct a repeated measures/dependent t test with = .01. Participant Pre Post A 70 90 B 40 65 C 60 70 D 90 95 E 63 87 a. State the null hypothesis. b. State the alternative hypothesis. c. Determine the critical value(s). d. Compute the test statistic. e. Draw conclusion regarding the null hypothesis. f. Interpret the conclusion in terms of the research question. g. Calculate and interpret the effect size (Cohen's d)