Refer to Exercise 11.62 and a least squares fit using the data on all of the wolves

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Refer to Exercise 11.62 and a least squares fit using the data on all of the wolves in Table D.9 of the Data Bank concerning body length (cm) and weight (lb). There is one obvious outlier, row 18 with body length 123 and weight 106, indicated in the MINITAB output. Drop this observation.
(a) Obtain the least squares fit of weight to the predictor variable body length.
(b) Test H0: β1, = 0 versus H1, : β1, > 0 with α =.05.
(c) Comment on any important differences between your answers to parts (a) and (b) and the answer to Exercise 11.62.
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Statistics Principles And Methods

ISBN: 9780470904114

7th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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