A scientist suspects that as a persons stress level changes, so does the amount of his or

Question:

A scientist suspects that as a person’s stress level changes, so does the amount of his or her impulse buying. With N = 72, his r is + .38.
(a) What are H0 and H0?
(b) With a = .05, what is rcrit?
(c) Report these results using the correct format.
(d) What conclusions should he draw?
(e) What other calculations should be per-formed to describe the relationship in these data?