Calculus 8th Edition

Published by Cengage
ISBN 10: 1285740629
ISBN 13: 978-1-28574-062-1

Chapter 1 - Functions and Limits - 1.2 Mathematical Models: A Catalog of Essential Functions - 1.2 Exercises - Page 35: 24

Answer

(a) The scatter plot is shown in the image (b) $y=4.857x-220.967$. The regression line is shown in the image. (c) $265$ chirps/min

Work Step by Step

(a) The points on the table are plotted. (b) The regression line is found using technology, where $m \approx 4.857$ and $b \approx -220.967$. (c) 100 is input into the equation in (b): $y = 4.857(100) - 220.967 = 485.7 - 220.967 = 264.733 \approx 265$
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