Mathematics, 21.05.2020 09:58 1162
A regression analysis was performed to determine if there is a relationship between hours of TV watched per day (2) and
number of sit ups a person can do (y).
The results of the regression were:
y=ax+b
a=-0.951
b=20.676
p2=0.480249
r=-0.693
Use this to predict the number of sit ups a person who watches 7.5 hours of TV can do, and please round your answer to a
whole number
Answers: 2
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