Question: Refer to the data in Exercise 11-12 on the microstructure of zirconia. Find a 95% confidence interval on each of the following: (a) Slope (b)

Refer to the data in Exercise 11-12 on the microstructure of zirconia. Find a 95% confidence interval on each of the following:

(a) Slope

(b) Intercept

(c) Mean length when

(d) Find a 95% prediction interval on length when Explain why this interval is wider than the interval in part (c).

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