Question: Suppose X 1 is a numerical variable and X 2 is a dummy variable with two categories and the regression equation for a sample of

Suppose X1 is a numerical variable and X2 is a dummy variable with two categories and the regression equation for a sample of n = 20 is

Ŷi = 6 + 4Xli + 2X2i

a. Interpret the regression coefficient associated with variable X1. 

b. Interpret the regression coefficient associated with variable X2.

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