Question: In Problem 14.4 on page 548, you used sales and number of orders to predict distribution costs at a mail-order catalog business (stored in Warecost).

In Problem 14.4 on page 548, you used sales and number of orders to predict distribution costs at a mail-order catalog business (stored in Warecost). Perform an influence analysis on your results and determine whether any observations should be deleted from the analysis. If necessary, reanalyze the regression model after deleting these observations and compare your results?

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Observations 14 h i 03568 and 19 h i 02828 are influential as they have h i 2 k 1 ... View full answer

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