Consider the model: where x1 is a quantitative variable and The resulting least squares prediction equation is

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Consider the model:

where x1 is a quantitative variable and

The resulting least squares prediction equation is

a. What is the equation of the response curve for E(y) when x2 = 0 and x3 = 0? When x2 = 1 and x3 = 0? When x2 = 0 and x3 = 1?
b. On the same graph, plot the least squares prediction equation associated with level 1, with level 2, and with level 3.

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Statistics For Business And Economics

ISBN: 9780321826237

12th Edition

Authors: James T. McClave, P. George Benson, Terry T Sincich

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Question Posted: Apr 07, 2016 08:27 AM

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Consider the model: where x1 is a quantitative variable and The resulting least squares prediction equation is

Question:

I if level 2 0 otherwise 1 if level 3 0 otherwise у = 48.8-3.4x + .07x _ 2.4x2ー75x3 +

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a For x 2 0 and x 3 0 Ey 0 1 x 1 2 x 2 1 For x 2 1 and ...View the full answer

Statistics For Business And Economics

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