A regression was run to determine if there is a relationship between hours of TV watched per day (x) andnumber of situps a person can do (y).The results of the regression were:y=ax+ba=-1.375b=21.416r²-0.442225r=-0.665Use this to predict the number of situps a person who watches 5 hours of TV can do (to one decimal place)

Solution:Let X be the number of hours of TV watched per day and Y be the number of sit-ups a person…

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=ax+b a=-0.791 b=27.682 r²=0.906304 r=-0.952 Use this to predict the number of situps a person who watches 5.5 hours of TV can do (to one decimal place)
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=-1.346 b=34.703 r²=0.9801 r=-0.99 Use this to predict the number of situps a person who watches 13 hours of TV can do (to one decimal place)
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=-1.333 b=35.697 20.443556 r=-0.666 Use this to predict the number of situps a person who watches 1.5 hours of TV can do (to one decimal place) Submit Question 9ME 目
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:ŷ=ax+b a=-0.778 b=23.145 r2=0.707281 r=-0.841 Use this to predict the number of situps a person who watches 12.5 hours of TV can do (to one decimal place)
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=-0.622 a=22.361 r-0.900601 r=-0.949 Use this to predict the number of situps a person who watches 0.5 hours of TV can do. Round to one decimal place.
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=-0.859 b-37.904 r²-0.589824 r=-0.768 Use this to predict the number of situps a person who watches 11.5 hours of TV can do (to one decimal place)
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.
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:ŷ=ax+b a=-1.229 b=35.936 r2=0.508369 r=-0.713 Use this to predict the number of situps a person who watches 3.5 hours of TV can do (to one decimal place)
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=-0.877 b=34.57 r2=0.835396 r=-0.914 Use this to predict the number of situps a person who watches 8 hours of TV can do (to one decimal place)
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