Question: Consider the wire bond pull strength data in Exercise 12-8. (a) Find 95% confidence interval on the regression coefficients. (b) Find a 95% confidence interval

Consider the wire bond pull strength data in Exercise 12-8.

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

(b) Find a 95% confidence interval on mean pull strength when x2  20, x3  30, x4  90, and x5  2.0.

(c) Find a 95% prediction interval on pull strength when x2 

20, x3  30, x4  90, and x5  2.0.

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