Question: Construct both a 95% and a 90% confidence interval for 1 for each of the following cases: a. 1 = 31, s = 3, SSxx

Construct both a 95% and a 90% confidence interval for β1 for each of the following cases:
a. 1 = 31, s = 3, SSxx = 35, n = 10
b. 1 = 64, SSE = 1,960, SSxx = 30, n = 14
c. 1 = -8.4, SSE = 146, SSxx = 64, n = 20

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