SOLUTION: The regression line for a data set is ŷ = 0.449x - 30.27. Determine the residual of a data point for which x = 85 and y = 7.

Algebra ->  Probability-and-statistics -> SOLUTION: The regression line for a data set is ŷ = 0.449x - 30.27. Determine the residual of a data point for which x = 85 and y = 7.       Log On


   

Question 1071533: The regression line for a data set is ŷ = 0.449x - 30.27. Determine the residual of a data point for which x = 85 and y = 7.


Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
y%5BRL%5D=0.449%2885%29-30.27=7.895
So then the residual is,
R=y%5Bsample-y%5BRL%5D%5D
R=7-7.895
R=-0.895