MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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=a+bx b=-1.276 a=24.302 r2=0.779689 r=-0.883 Use this to predict the number of situps a person who watches 3 hours of TV can do.

 Round to one decimal place.

 

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A regression was run to determine if there is a relationship between hours of study per week (xx) and the test scores (yy).

The results of the regression were:y=ax+b a=6.686 b=35.26 r2=0.6084 r=0.78 Use this to predict the final exam score of a student who studies 8.5 hours per week, and please round your answer to a whole number.

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Follow-up Question

A regression was run to determine if there is a relationship between hours of study per week (xx) and the test scores (yy).

The results of the regression were:y=ax+b a=6.686 b=35.26 r2=0.6084 r=0.78 Use this to predict the final exam score of a student who studies 8.5 hours per week, and please round your answer to a whole number.

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