Are low-fat diets or low-carb diets more effective for weight loss? This question was addressed by a scientific study). A sample of 77 subjects went on a low-carbohydrate diet for six months. At the end of that time the sample mean
2. Are low-fat diets or low-carb diets more effective for weight loss? This question was addressed by a scientific study). A sample of 77 subjects went on a low-carbohydrate diet for six months. At the end of that time the sample mean weight loss was 4.7 kg with a sample standard deviation of 7.2 kg. A second sample of 79 subjects went on a low-fat diet. Their sample mean weight loss was 2.6 kg with a standard deviation of 5.9 kg.a. Can you conclude that the mean weight loss is greater for those on the low-carbohydrate diet than that of the low-fat diet? Use the correct test statistic and p-value to answer. b. Can you conclude that the mean weight loss on the low-carbohydrate diet is 1kg greater than that of the low-fat diet? Use the correct test statistic and p-value to answer.
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