Question
Asked Nov 19, 2019
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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:
y=ax+b
a=-0.719
b=37.806
r2=0.484416
r=-0.696


Use this to predict the number of situps a person who watches 11.5 hours of TV can do (to one decimal place)

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Expert Answer

Step 1

The given linear model is shown below:

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y0.719x37.806

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Step 2

Substitute 11.5 for x in linear model to p...

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Number of situps = -0.719(11.5)+37.806 =-8.2685 37.806 - 29.5

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Tagged in
MathStatistics

Advanced Topics in Statistics

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