In a college health fitness program let X equal the
In a college health fitness program, let X equal the weight in kilograms of a female freshman at the beginning of the program and let Y equal her change in weight during the semester. We shall use the following data for n = 16 observations of (x, y) to test the null hypothesis H0: ρ = 0 against a two-sided alternative hypothesis:
(a) What is the conclusion if α = 0.10?
(b) What is the conclusion if α = 0.05?
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