Consider the data on male wolves in Table D 9 of the Data Bank concerning age (years) and canine length (mm) (a) Obtain the least squares fit of canine length to the predictor age (b) Test H0 1 0 versus H1 1 0 with 05 (c) Obtain a 90 confidence interval for the canine length when the age is x 4 (d) Obtain a 90 prediction interval for the canine length of an individual wolf when the age is x 4

Question: Consider the data on male wolves in Table D.9 of the Data Bank concerning age (years) and canine length (mm). (a) Obtain the least squares

Consider the data on male wolves in Table D.9 of the Data Bank concerning age (years) and canine length (mm).
(a) Obtain the least squares fit of canine length to the predictor age.
(b) Test H0: β1 = 0 versus H1 : β1 ≠ 0 with α = .05.
(c) Obtain a 90% confidence interval for the canine length when the age is x = 4.
(d) Obtain a 90% prediction interval for the canine length of an individual wolf when the age is x = 4.

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