Discuss the below:
Q: A TV add, aimed at men, claims that drinking a special weight loss medicine before every meal will result in the loss of at least 5 pounds after two weeks. A skeptical newspaper reporter decides to check if the plan works by having 10 randomly selected women follow the plan for the four week period. The weights for the individual subjects before and after the two week period are tabulated below.
Conduct a test of hypotheses to determine if the plan works as advertised. Let alpha=.05. Be sure to state your hypotheses.
Subject Before After
1 147.5 140.9
2 140.8 137.8
3 119.3 117.6
4 157.4 151.8
5 139.4 137.2
6 144.7 142.3
7 146.0 139.4
8 149.6 144.4
9 143.6 141.2
10 147.1 140.9