Answered: A regression was run to determine if…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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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