A company wants to test the hypothesis that its new miracle weight loss pill is effective. A group of 25 subjects are randomly divided into two groups. One group is given a placebo and the other is given the weight loss pill. After one month, weight loss for each individual is measured. Results are listed below. Can the company conclude that the pill is effective at promoting weight loss? Write the hypotheses and conduct the appropriate hypothesis test.
Placebo: 4, 7, 0, 3, 5, 2, 1, 6, 2, 2, 5, 3
Drug: 3, 6, 4, 4, 3, 9, 7, 7, 4, 8, 5, 2, 2