Question: Refer to Exercise 12.S.2. (a) Assuming that the linear model is applicable, find estimates of the mean and the standard deviation of yields of beans

Refer to Exercise 12.S.2.
(a) Assuming that the linear model is applicable, find estimates of the mean and the standard deviation of yields of beans exposed to 0.24 ppm of sulfur dioxide.
(b) Is the estimate in part (a) an interpolation or extrapolation? How can you tell?
(c) Which condition of the linear model appears doubtful for the snap bean data?

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