A regression was run to determine if there is a relationship between hours of TV watched per day (x) and the number of sit-ups a person can do (y). The results were: y = a+bx b = -0.79 a = 23.38 r² = 0.5396 r = -0.7346

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A regression was run to determine if there is a relationship between hours of TV watched per day (x) and
the number of sit-ups a person can do (y). The results were:
= a+bx
y
b = -0.79
a = 23.38
r
= 0.5396
= -0.7346
a. If a person watches 16 hours of television a day, predict how many sit-ups he can do.
b. If a person can do 8 sit ups, predict how many hours of television a day they watch.
hours
Transcribed Image Text:A regression was run to determine if there is a relationship between hours of TV watched per day (x) and the number of sit-ups a person can do (y). The results were: = a+bx y b = -0.79 a = 23.38 r = 0.5396 = -0.7346 a. If a person watches 16 hours of television a day, predict how many sit-ups he can do. b. If a person can do 8 sit ups, predict how many hours of television a day they watch. hours
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