Answer
$y ̂=65-4x_2$
Work Step by Step
$y ̂=5+3x_1-4x_2$
With $x_1=20$:
$y ̂=5+3\times20-4x_2$
$y ̂=65-4x_2$
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 719: 7d
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