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Suppose you collected data on annual incomes (in thousands of dollars) and the number of times a person eats restaurant meals per month. Assuming X

Suppose you collected data on annual incomes (in thousands of dollars) and the number of times a person eats

restaurant meals per month. Assuming X is income and Y is restaurant meals, a regression equation was

estimated to be: Y = -4 + 0.5*X .

a. Interpret the coefficient on X.

b. What is your estimate of the average number of restaurant meals for someone with annual income $32K?

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