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Dr. Sherri Brock's diet pills are supposed to cause significant weight loss. The following table ...

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Dr. Sherri Brock's diet pills are supposed to cause significant weight loss. The following table ...

Dr. Sherri Brock's diet pills are supposed to cause significant weight loss. The following table shows the results of a recent study where some individuals took the diet pills and some did not.

	Diet Pills	No Diet Pills	Total
No Weight Loss	80	20	100
Weight Loss	100	100	200
Total	180	120	300

We want to see if losing weight is independent of taking the diet pills.

a.	Compute the test statistic.
b.	Using the p-value approach at 95% confidence, test to determine if weight loss is independent on taking the pill.
c.	Use the critical method approach and test for independence.

Textbook

Essentials of Statistics for Business and Economics

Edition: 7^th

Authors: Anderson, Sweeney, Williams, Camm, Cochran

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