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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=-1.284
b=39.108
r2=0.819025
r=-0.905
Use this to predict the number of situps a person who watches 14 hours of TV can do (to one decimal place)
Sagot :
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