Consider the data and simple linear regression in Exercise 6-4. (a) Find the mean turbidity given that
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Consider the data and simple linear regression in Exercise 6-4.
(a) Find the mean turbidity given that the temperature is 25.0 degrees.
(b) Compute a 95% CI on this mean response.
(c) Compute a 95% PI on a future observation when temperature is equal to 25.0 degrees.
(d) What do you notice about the relative size of these two intervals? Which is wider and why?
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Related Book For 
Engineering Statistics
ISBN: 9780471388791
2nd Edition
Authors: Douglas C. Montgomery, George C. Runger, Norma F. Hubele
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