Answer
See the picture.
Work Step by Step
$ŷ=4+0.4x_1-1.3x_2$
- For $x_1=40$:
$ŷ=4+0.4\times40-1.3x_2=20-1.3x_2$
- For $x_1=50$:
$ŷ=4+0.4\times50-1.3x_2=24-1.3x_2$
- For $x_1=60$:
$ŷ=4+0.4\times60-1.3x_2=28-1.3x_2$
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: 17b
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