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Low[at or Iwmrh? Are lowfat diets or lowcarb dets more effective for weight Ills? A sample of 93 subjects went on a low carbohydrate dietfor
Low[at or Iwmrh? Are lowfat diets or lowcarb dets more effective for weight Ills? A sample of 93 subjects went on a low carbohydrate dietfor six months. At the end of that time, the sample mean weight loss was 3_1 kilograms with a sample standard deviation of'LDSI kilograms. A second sample of 95 subjects went on a lowfat diet. Their sample mean weight loss was 53' kilograms with a standard deviation of 8.65 kilograms. Can you oonclude that the mean weight loss of subjects having lowcarb diets is less than the mean Iweight loss of subjects having lowfat diets? Let [1.1 denote the mean weight lost on the lowcarb dot and p2 denote the mean weight lost on the low-fat riot. Use the a. = 0_1 level and the 11-34 Plus .lculator. State the appropriate null and alternate hypotheses. 111is hypothesis test is a test. Compute the Pvalue. Round the answer to four decimal places. Determine lwhether to reject H0. Reject 1 the null hypothesis H0. State a conclusion. 1here E] enough evidence to conclude that the mean weight loss of subjects having low-carh diets is I\" than the mean lweight loss of subjects having low-fat riets
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