In a test of weight loss programs, 175 subjects were divided such that 35 subjects followed each of 5 diets. Each was weighed a year after starting the diet and the results are in the ANOVA table below. Use a 0.025 significance level to test the claim that the mean weight loss is the same for the different diets. Source of Variation SS df MS F P-value F crit Between Groups 466.563 4 116.64072 3.7518 0.005949 2.861906 Within Groups 5285.176 170 31.08927 Total 5751.739 174 Should the null hypothesis that all the diets have the same mean weight loss be rejected? A. Yes, because the P-value is greater than the significance level. B. No, because the P-value is less than the significance level. C. Yes, because the P-value is less than the significance level. D. No, because the P-value is greater than the significance level.
In a test of weight loss programs, 175 subjects were divided such that 35 subjects followed each of 5 diets. Each was weighed a year after starting the diet and the results are in the ANOVA table below. Use a 0.025 significance level to test the claim that the mean weight loss is the same for the different diets. Source of Variation SS df MS F P-value F crit Between Groups 466.563 4 116.64072 3.7518 0.005949 2.861906 Within Groups 5285.176 170 31.08927 Total 5751.739 174 Should the null hypothesis that all the diets have the same mean weight loss be rejected? A. Yes, because the P-value is greater than the significance level. B. No, because the P-value is less than the significance level. C. Yes, because the P-value is less than the significance level. D. No, because the P-value is greater than the significance level.
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Question
In a test of weight loss programs, 175 subjects were divided such that 35
subjects followed each of 5 diets. Each was weighed a year after starting the diet and the results are in the ANOVA table below. Use a 0.025
significance level to test the claim that the mean weight loss is the same for the different diets.
subjects followed each of 5 diets. Each was weighed a year after starting the diet and the results are in the ANOVA table below. Use a 0.025
significance level to test the claim that the mean weight loss is the same for the different diets.
Source of Variation
|
SS
|
df
|
MS
|
F
|
P-value
|
F crit
|
---|---|---|---|---|---|---|
Between Groups
|
466.563
|
4
|
116.64072
|
3.7518
|
0.005949
|
2.861906
|
Within Groups
|
5285.176
|
170
|
31.08927
|
|
|
|
Total
|
5751.739
|
174
|
|
|
|
|
Should the null hypothesis that all the diets have the same mean weight loss be rejected?
Yes,
because the P-value is
greater than
the significance level.No,
because the P-value is
less than
the significance level.Yes,
because the P-value is
less than
the significance level.No,
because the P-value is
greater than
the significance level.Expert Solution
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