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: 12b

Answer

Selected points: (10, 4) and (25, 18) $y=0.933x-5.33$

Work Step by Step

The slope: $m=\frac{y_2-y_1}{x_2-x_1}=\frac{18-4}{25-10}=0.933$ The equation of the line: $m=\frac{y-y_1}{x-x_1}$ $0.933=\frac{y-4}{x-10}$ $0.933(x-10)=y-4$ $0.933x-9.33+4=y$ $y=0.933x-5.33$
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