Question: Consider the soil absorption data in Exercise 12-2. (a) Find 95% confidence intervals on the regression coefficients. (b) Find a 95% confidence interval on mean

Consider the soil absorption data in Exercise 12-2.

(a) Find 95% confidence intervals on the regression coefficients.

(b) Find a 95% confidence interval on mean soil absorption index when x1  200 and x2  50.

(c) Find a 95% prediction interval on the soil absorption index when x1  200 and x2  50.

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