Consider the data and simple linear regression model in Exercise 6-2. (a) Find the mean pounds of

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Consider the data and simple linear regression model in Exercise 6-2.

(a) Find the mean pounds of steam given that the ambient temperature is 52 degrees.

(b) Compute a 99% CI on this mean response.

(c) Compute a 99% PI on a future observation when the ambient temperature is equal to 52 degrees.

(d) What do you notice about the relative size of these two intervals? Which is wider and why?

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Engineering Statistics

ISBN: 9780471388791

2nd Edition

Authors: Douglas C. Montgomery, George C. Runger, Norma F. Hubele

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