In Exercises 1518, use the given set of points to a. Compute b1. b. Compute the residual
Question:
In Exercises 15–18, use the given set of points to
a. Compute b1.
b. Compute the residual standard deviation se.
c. Compute the sum of squares for x, ∑(x − x̄)2.
d. Compute the standard error of b1, sb.
e. Find the critical value for a 95% confidence interval for β1.
f. Compute the margin of error for a 95% confidence interval for β1.
g. Construct a 95% confidence interval for β1.
h. Test the null hypothesis H0: β1 = 0 versus H1: β1 ≠ 0.
Use the α = 0.05 level of significance.
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