Study compared the weight loss of people on low-fat diet

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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 signigicance, that there is a difference i the mean weight loss off using the 2 different diets.

b.) what is the p-value?

Reference no: EM13921395

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