Pg 451 - 5. Suppose that in another study, 42 people used...

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Crystal Jenkins STA 2023 TR 10:00am Case study pg 451 In Exercises 1–4, perform a two-sample z-test to determine whether the mean weight losses of the two indicated groups are different. For each exercise, write your conclusion as a sentence. Use 0.05. 1. Test the weight losses of people in the Atkins group against those in the LEARN group. 2. Test the weight losses of people in the Ornish group against those in the Zone group. 3. Test the weight losses of people in the LEARN group against those in the Zone group. 4. Test the weight losses of people in the Atkins group against those in the Ornish group.
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Unformatted text preview: 5. Suppose that in another study, 42 people used an herbal supplement and a high-fiber, low-calorie diet to lose weight. The mean weight loss of this group was 7.05 pounds and the standard deviation was 7.28 pounds. (a) Test the mean weight loss of this group with the Atkins group described previously. Use 0.01. (b) Test the mean weight loss of this group with the Zone group described previously. Use 0.01. 6. In which comparisons in Exercises 15 did you find a difference in weight losses? Write a summary of your findings...
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Pg 451 - 5. Suppose that in another study, 42 people used...

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