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Calorie Watchers has low-calorie breakfasts, lunches, and dinners. If you join the club, you receive two packaged meals a day. Calorie Watchers claims that you can eat anything you want for the third meal and still lose at least 5 pounds the first month. Members of the club are weighed before commencing the program and again at the end of the first month. The experiences of a random sample of 11 enrollees are:
.:.
We are interested in whether there has been a weight loss as a result of the Calorie Watchers program.
a. State H0 and H 1.
b. Using the .05 level of significance, what is the decision rule?
c. What is your conclusion about the Calorie Watchers program? |
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