Question
A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of sit-ups a person
A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of sit-ups a person can do (y).
the results of the regression were:
y=ax+b
a= -0.617
b= 20.932
R^2= 0.906304
r= -0.952
use this to predict the number of sit-ups a person who watches 5 hrs of TV can do (to one decimal place).
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Prealgebra
Authors: Marvin L Bittinger, David J Ellenbogen, Barbara L Johnson
7th Edition
032164008X, 9780134347202
