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

Question:

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, level 2, and level 3.

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Statistics

ISBN: 9780321755933

12th Edition

Authors: James T. McClave, Terry T Sincich

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Question Posted: May 20, 2015 07:49 AM

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

Question:

1 iflevel 2 1 if level3 x2_ǐ0 otherwise x3-10 otherwise y = 48.8-3.4x1 + .07x_ 2.4x2-75x3 + 3.7x1x2

Step by Step Answer:

a For x 2 0 and x 3 0 488 34 x 1 07 x 1 2 240 750 37 x 1 0 27 x 1 0 02 x 1 2 0 04 x 2 1 0 488 ...View the full answer

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