Mathematics, 21.04.2021 20:00 Solany6426
A study was conducted to see if an herbal supplement helped to reduce weight. After 12 weeks, 42 subjects using the herbal supplement and a high fiber, low-calorie diet had a mean weight loss of 3.2 kg. And a standard deviation of 3.3 kg. During the same period, 42 subjects using a placebo and a high-fiber, low-calorie diet had a mean weight loss of 4.1 kg. And a standard deviation of 3.9 kg. Part 1. At a=0.05, test the claim that the mean weight loss for the group using the herbal supplement is greater than the mean weight loss for the group using the placebo.
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A study was conducted to see if an herbal supplement helped to reduce weight. After 12 weeks, 42 sub...
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