Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 4 - Section 4.2 - Assess Your Understanding - Vocabulary and Skill Building - Page 215: 8b

Answer

Selected points: (5, 2) and (11, 9) $y=1.167x-3.835$

Work Step by Step

The slope: $m=\frac{y_2-y_1}{x_2-x_1}=\frac{9-2}{11-5}=1.167$ The equation of the line: $m=\frac{y-y_1}{x-x_1}$ $1.167=\frac{y-2}{x-5}$ $1.167(x-5)=y-2$ $1.167x-5.835+2=y$ $y=1.167x-3.835$
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