You conducted a 2-group independent t-test with MFPAY as the grouping (independent) variable and TIPAMT as the dependent variable. The mean tip amount for males, the mean tip value for females and the t-statistic were 3.46, 2.21, 3.68. Given the t-statistic value you would conclude Select one: a. Females leave more tip than males b. Males leave more tip than females c. They both leave same amount statistically speaking d. Even though this test is interesting, it does not shed light on the main hypothesis e. b and d