Question: 11.44 With reference to Exercise 11.1 on page 418, assume that x and y are random variables with a bivariate normal distribution. (a) Calculate r.

11.44 With reference to Exercise 11.1 on page 418, assume that x and y are random variables with a bivariate normal distribution.

(a) Calculate r.

(b) Test the hypothesis that ρ = 0 against the alternative that ρ = 0 at the 0.05 level of significance.

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