Question: A study compared weight loss between patients on diet A and patients on diet B. Patients on diet A lost a mean of 7.7 pounds

A study compared weight loss between patients on diet A and

A study compared weight loss between patients on diet A and patients on diet B. Patients on diet A lost a mean of 7.7 pounds in six months, whereas patients on diet B lost a mean of 7.4 pounds in six months. Suppose that the study was based on a sample of 600 patients on diet A and 600 patients on diet B, and the standard deviation of the amount lost was 3.6 pounds for diet A and 3.1 pounds for diet B. Complete parts (a) through (d) a. State the null and alternative hypotheses if you want to test whether the mean weight loss between the two diets is equal. What are the null and alternative hypotheses? Let represent the mean number of pounds patients on diet A lose in sb

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