A "water diet" requires you to drink one cup of water every hour from the time you get up until you go to bed, but otherwise allows you to eat whatever you like. Four adult volunteers agree to follow the diet. They are weighed prior to beginning the diet and after six weeks on the diet. The weights (in pounds) are: Subject A B C D Weight before diet 180 125 240 150 Weight after diet 170 130 215 152 Which of the following is the correct standardized test statistic for a test of the null hypothesis that the water diet has no effect on weight loss?
A "water diet" requires you to drink one cup of water every hour from the time you get up until you go to bed, but otherwise allows you to eat whatever you like. Four adult volunteers agree to follow the diet. They are weighed prior to beginning the diet and after six weeks on the diet. The weights (in pounds) are: Subject A B C D Weight before diet 180 125 240 150 Weight after diet 170 130 215 152 Which of the following is the correct standardized test statistic for a test of the null hypothesis that the water diet has no effect on weight loss?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.2: Applied Problems
Problem 22E
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A "water diet" requires you to drink one cup of water every hour from the time you get up until you go to bed, but otherwise allows you to eat whatever you like. Four adult volunteers agree to follow the diet. They are weighed prior to beginning the diet and after six weeks on the diet. The weights (in pounds) are:
| Subject | A | B | C | D |
| Weight before diet | 180 | 125 | 240 | 150 |
| Weight after diet | 170 | 130 | 215 | 152 |
Which of the following is the correct standardized test statistic for a test of the null hypothesis that the water diet has no effect on weight loss?
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