A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y) The results of the regression were: у-ах+b a--1.187 b-36.808 r2-0.552049 r=-0.743 Assume the correlation is significant, and use this to predict the number of situps a person who watches 7.5 hours of TV can do (to one decimal place)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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A regression was run to determine if there is a relationship between hours of TV
watched per day (x) and number of situps a person can do (y)
The results of the regression were:
у-ах+b
a--1.187
b-36.808
r2-0.552049
r=-0.743
Assume the correlation is significant, and use this to predict the number of situps a
person who watches 7.5 hours of TV can do (to one decimal place)
Transcribed Image Text:A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y) The results of the regression were: у-ах+b a--1.187 b-36.808 r2-0.552049 r=-0.743 Assume the correlation is significant, and use this to predict the number of situps a person who watches 7.5 hours of TV can do (to one decimal place)
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