Question: With reference to Exercise 11.1, (a) Evaluate s2, (b) Test; the hypothesis that = 0 against the alternative that 0 at the 0.05 level of

With reference to Exercise 11.1,
(a) Evaluate s2,
(b) Test; the hypothesis that β = 0 against the alternative that β ≠ 0 at the 0.05 level of significance and interpret the resulting decision.

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