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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 amount of a donation (named "Donation_D1" in the worksheet) from the median years of school completed by adults in the neighborhood ("School_D1") and the number of promotions received before this mailing ("Promotions_D1").

a. Find the regression equation and the coefficient of determination.

b. Is there a significant relationship overall?

c. Which, if any, of the explanatory variables has a significant t test? What does this tell you?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92639289

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