A regression analysis was performed to determine if there is a relationship between hours of TV watched per day (x) and number of sit ups a person can do (y). The results of the regression were: y=ax+b a=-0.784 b=34.422 r²=0.793881 r=-0.891 Use this to predict the number of sit ups a person who watches 0.5 hours of TV can do, and please round your answer to a whole number.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.8: Fitting Exponential Models To Data
Problem 3SE: What is regression analysis? Describe the process of performing regression analysis on a graphing...
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A regression analysis was performed to determine if there is a relationship between hours of TV watched
per day (x) and number of sit ups a person can do (y). The results of the regression were:
y=ax+b
a=-0.784
b=34.422
r²=0.793881
r=-0.891
Use this to predict the number of sit ups a person who watches 0.5 hours of TV can do, and please round
your answer to a whole number.
Transcribed Image Text:A regression analysis was performed to determine if there is a relationship between hours of TV watched per day (x) and number of sit ups a person can do (y). The results of the regression were: y=ax+b a=-0.784 b=34.422 r²=0.793881 r=-0.891 Use this to predict the number of sit ups a person who watches 0.5 hours of TV can do, and please round your answer to a whole number.
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