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Calorie Watchers Hypothesis Testing

Calorie Watchers has low-calorie breakfasts, lunches, and dinners. If you join the club, you receive two packages meals a day. CW claims that you can eat anything you want for the third meal and still lose at least five pounds the first month. Members of the club are weighed before commencing the program and again at the end of the first month. The experience of a random sample of 11 enrollees are:

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We are interest in whether there has been a weight loss as a result of the Calorie Watchers program.
a. State H0 and H1
b. Using the 0.05 level of significance, what is the decision rule?
c. What is your conclusion about the Calorie Watchers program?


Solution Summary

Hypothesis testing for calorie watchers is determined. The significance level is used in the decision rule.