Question

A set of data points has a line of best fit of y= -0.2x + 1.7. What is the residual for the point (5, 1)?

Α. 1.5

Β. Ο.7

C. 0.3

D. -0.3

Answer 1

The answer is B: 0.7

Substitute x in the equation for the x in the given coordinate, 5

-0.2 times 5 is -1

Then add 1.7 to -1 and you get 0.7