Edward would like to test whether the average price of a pair of jeans at Pauline's Pants (group 1) is greater than the average price of a pair of jeans at Frank's Fashion (group 2). In a sample of 61 pairs of jeans at Pauline's Pants, he gets a sample mean of 79 dollars, and a sample standard deviation of 3.5 dollars. In a sample of 61 pairs of jeans at Frank's Fashion, he gets a sample mean of 74 dollars, and a sample standard deviation of 7.9 dollars. Assume population variances are unequal and use a significance level of 0.01. (a) What are the null and alternative hypotheses? Horp