[Step-by-Step] In Exercises 15.30-15.33, we repeat information from Exercises 15.10-15.13. Presuming that the assumptions for regression inferences are


Question: In Exercises 15.30-15.33, we repeat information from Exercises 15.10-15.13. Presuming that the assumptions for regression inferences are met, perform the required hypothesis tests, using either the critical-value approach or the P-value approach. (Recall that you previously obtained the sample regression equations in Exercises 14.42-14.45 and the standard errors of the estimate in Exercises 15.14-15.17.

Custom Homes. Following are the size and price data for custom homes from Exercise 15.12.

Do the data suggest that size is useful as a predictor of price for custom homes in the Equestrian Estates? Perform the required hypothesis test at the 0.01 level of significance.

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