STATISTICS FOR MANAGERS

Answers, Ch. 13

13.51

a. r = 0.84

There is a 84 percent relationship between calories and sugar.

b.

H₀: ρ = 0
H₁: ρ ≠ 0

α = 0.05, n = 7

α = 0.05 => Reject H₀ if t_7-2 > 2.5706 or < -2.5706

> 2.5706 and not < -2.5706 => Reject H₀, accept H₁ => There is significant linear relationship between calories and sugar.