12.41 Poor predicted sales The MINITAB output shows the large standardized residuals for studying sales in thousands

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12.41 Poor predicted sales The MINITAB output shows the large standardized residuals for studying sales in thousands of pounds as a response using marketing in thousands of pounds as the explanatory variable.

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a. Explain how to interpret all the entries in the row of the output for month 11, where Marketing Spend = 157.00 (in thousands of pounds).

b. Out of 57 observations, is it surprising that 3 observations would have standardized residuals with absolute value above 2.0? Explain.

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Statistics The Art And Science Of Learning From Data

ISBN: 9781292164878

4th Global Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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Question Posted: Sep 16, 2024 10:00 AM

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12.41 Poor predicted sales The MINITAB output shows the large standardized residuals for studying sales in thousands

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Large standardized residuals for sales study: Marketing Month Spend Fit Resid Std Resid 11 157.00 1895.20 29.10 2.56 25 159.00 1298.88 18.62 2.14 38 75.00 1586.12 19.12 -2.23

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Statistics The Art And Science Of Learning From Data

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