Answer
The y-intercept has increased by 15 each time we increased $x_1$ by 5.
Work Step by Step
y-intercept = 35, with $x_1$ = 10
y-intercept = 50, with $x_1$ = 15
y-intercept = 65, with $x_1$ = 20
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: 7e
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