Question: Be sure to write down all the formulas you use, and also be sure to state your H0 and HA for the hypothesis test problems.

Be sure to write down all the formulas you use, and also be sure to state your H0 and HA for the hypothesis test problems. 1) A study compared the weight loss of people on a low-fat diet versus people on a low-carb diet. In a sample of 100 obese people on a low-fat diet the sample mean weight loss as 7.6 pounds with a standard deviation of 3.2 pounds. In another sample of 120 obese people on a low-carb diet the sample mean weight loss was 6.7 pounds with a standard deviation of 3.9 pounds. a) Test the hypothesis, at the 5% level of significance, that there is a difference in the mean weight loss of using the 2 different diets. (15)

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