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Author Question: Do popular diets really help customers in the long-run? Many diets help customers lose weight ... (Read 140 times)

penguins

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on: Feb 14, 2020
Do popular diets really help customers in the long-run? Many diets help customers lose weight initially only to have the customer add the weight back on after the first few months on the diet. A commercially successful diet company conducted a study of twelve randomly selected customers and measured their weight after before starting the diet and then again after staying with the diet for a year. The company hoped that the initial weight loss would be sustained after the first year on the diet. The data is shown below:



What alternative hypothesis should be tested in order to determine if the diet is successful at helping customers lose and keep weight off after one year?
◦ The distribution of initial weight is identical to the distribution of one-year weight.
◦ The distribution of initial weight is shifted to the right of the distribution of one-year weight.
◦ The distribution of initial weight is shifted to the right or to the left of the distribution of one-year weight.
◦ The distribution of initial weight is shifted to the left of the distribution of one-year weight.
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by penguins on Feb 14, 2020

FergA

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Reply #1 on: Feb 14, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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penguins

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Reply 2 on: Feb 14, 2020
Excellent

xiaomengxian

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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