Question: Using the donations database on the companion site, and using only people who made a donation in response to the current mailing, consider predicting the

Using the donations database on the companion site, and using only people who made a donation in response to the current mailing, consider predicting the amount of a donation (named “Donation_D1” in the worksheet) from the percentage of households in the neighborhood with three or more cars (named “Cars_D1”).
a. Find the regression equation and the coefficient of determination.
b. Is there a significant relationship?

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