Solve the following. a. Calculate a 95% confidence interval for 1 . b. .Find a test

 Solve the following.

a. Calculate a 95% confidence interval for β 1 .

b. .Find a test statistic and p-value for testing H 0 : β 1 = 0 vs. H a : β 1 > 0.

c. Calculate a 95% confidence interval for µ Y |X when x = 4.

d. Calculate a 95% prediction interval for Y when x = 2.

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n = 500, x=-0.303, y = 1.476, sx Bo=1.896, 31 = 1.102, sy|x 2.279, Sy 1.868, so = 0.265, s₁ = 0.431 = = = 3.280 n = 500, x=-0.303, y = 1.476, sx Bo=1.896, 31 = 1.102, sy|x 2.279, Sy 1.868, so = 0.265, s₁ = 0.431 = = = 3.280

Answer rating: 100% (QA)

a To calculate a 95 confidence interval for 31 we use the formula Cl b1 ta2 n2 SEb1 where b1 is the ... View the full answer