1. H.: W. - He = 0 H.= W. - Hs # 0 Summary Statistics Group Sample Size Mean Standard Deviation Treatment 99 167.548 9.677 Control 101 163.254 8.658 Observations in both groups are slightly skewed to the right. Is it appropriate to use the & distribution to approximate the sampling distribution in this scenario? Yes, the t distribution may be used No, the t distribution should not be used 2. H.: W. - H. = 0 H.: H. - H. = 0 You want to test the hypotheses above using data you collected from two small independent samples: n. = 1/ and /, - 12 Neither sample is normally distributed Which of the following procedures is appropriate? Independent means t test Randomization test