Answer
This value of $r$ is unreasonable.
Work Step by Step
$r=0.9$ signifies that the data is very linear, since $0.9$ is close to $1$, and it is upward sloping. This plot doesn't look linear at all, so $r=0.9$ isn't a good estimate.
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 1 - Linear Functions and Change - 1.6 Fitting Linear Functions to Data - Exercises and Problems for Section 1.6 - Exercises and Problems - Page 50: 3
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
