A regression analysis was performed to determine if there is a relationship between hours of TV watched per day (¤) and number of sit ups a person can do (y). The results of the regression were: y=ax+b a=-0.985 b=31.518

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.6: Regression And Median-fit Lines
Problem 6PPS
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A regression analysis was performed to determine if there is a relationship between hours of TV watched
per day (¤) and number of sit ups a person can do (y). The results of the regression were:
y=ax+b
a=-0.985
b=31.518
Transcribed Image Text:A regression analysis was performed to determine if there is a relationship between hours of TV watched per day (¤) and number of sit ups a person can do (y). The results of the regression were: y=ax+b a=-0.985 b=31.518
Expert Solution
Step 1

From the given information,

 

The regression equation is y=-0.985x+31.518.

 

Here, x represents the hours of TV watched per day and y represents the number of sit ups a person.

 

Given that the number of hours TV can do is 13.5. That is, x=13.5.

 

Substitute x=13.5 in the regression equation, y=-0.985x+31.518.

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