Answer
See the picture.
Work Step by Step
$ŷ=4+0.4x_1-1.3x_2$
- For $x_2=10$:
$ŷ=4+0.4x_1-1.3\times10=-9+0.4x_1$
- For $x_2=20$:
$ŷ=4+0.4x_1-1.3\times20=-22+0.4x_1$
- For $x_2=30$:
$ŷ=4+0.4x_1-1.3\times30=-35+0.4x_1$
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 14 - Section 14.3 - Assess Your Understanding - Vocabulary and Skill Building - Page 721: 17a
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