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wrote...
Posts: 240
3 weeks ago
Height and weight Is the height of a man related to his weight? The regression analysis from a sample of 26  men is shown. (Show work. Don't write hypotheses. Assume the assumptions for inference were satisfied.)

a. How many degrees of freedom?
b. What is the value of the t statistic?
c. What is the P-value?
d. State your conclusion in context.
Textbook 

Stats: Modeling the World


Edition: 4th
Authors:
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wrote...
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3 weeks ago
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a. df = 26 - 2 = 24
b. t = = 6.659
c. The P-value is 2 × P (t*24 > 6.659) < 0.0001.
d. The P-value is very small, so we reject the null hypothesis. There is strong evidence that, on average, men's weights are about 8.7 pounds higher  for each additional inch in height.
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