SOLUTION: The regression equation is 7.25-0.021x. Find the predicted time in the 40-yard dash for a subject who can do 10 sit-ups.

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Question 585922: The regression equation is 7.25-0.021x. Find the predicted time in the 40-yard dash for a subject who can do 10 sit-ups.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
I'm assuming that x is the number of sit-ups. If so, then the predicted time in the 40-yard dash is

y = 7.25-0.021x

y = 7.25-0.021(10)

y = 7.25-0.21

y = 7.04


So the predicted time is 7.04 seconds.
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