We have a data point (7,5), what is the residual if regression line is y=2x+17?

1 Answer
Aug 3, 2017

Residual is 2.

Explanation:

As the regression line is y=2x+17,

for x=7 we have predicted value of y is 2×7+17=3

but we have y=5

Hence residual is 53=2.