What are the model constant and the slope coefficient of x 1 when the dummy variable equals

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What are the model constant and the slope coefficient of x1 when the dummy variable equals 1 in the following equations, where x1 is a continuous variable and xis a dummy variable with a value of 0 or 1?

a. ŷ = 4.5 + 9.2x- 1.3x2 + 4.3x1x2
b. ŷ = -6.8 + 10.4x1 + 3.5x2 - 1.8x1x2
c. ŷ = 11.3 - 3.4x1 + 9.8x2 + 10.5x1x2

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Statistics For Business And Economics

ISBN: 9781292315034

9th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

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