(Answered) 1 a diet doctor claims that the average american is

Management Studies

1. A diet doctor claims that the average American is more than 10 pounds overweight. To test his claim, a random sample of 50 Americans was selected and each weighed, and for each the difference between actual weigh and idea weight was calculated. The mean and standard deviation of that difference was 11.5 and 2.2 pounds respectively. Can we conclude, with a = .05, that enough evidence exists to show that the doctor's claim is true?

a) State the Null and Alternative hypotheses.

b) Define the test statistic and obtain the critical value.

c) Compute the test statistic.

d) Make the decision to reject or not reject the null hypothesis

e) State the conclusion.

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