Question: 7. Problem 13.6 showed that for the home sales data, a single observation has a large im pact on whether an interaction term seems needed

7. Problem 13.6 showed that for the home sales data, a single observation has a large im pact on whether an interaction term seems needed in the model. Let's check whether that observation affects results of selection procedures Using regression software after delet- ing that observation from the data set. conduct either backwand elimination or forward selection with the vanables in Example 14.1. Compare results

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