Question

PLEASE HELP!! MEDAL!!
What does it mean to say that a data point has a residual of 0?
a. the predicted value for that point is 0.
b. the point lies above the regression line
c. the point lies directly on the regression line
d. the point falls at the origin.

Answer 1

look search statistics and residual, i cant remember, but i would guess C

Answer 2

some measure of how off the line each poit is maybe

Answer 3

Mathematical Definition

Mathematically, a residual is the difference between an observed data point and the expected -- or estimated -- value for what that data point should have been

Answer 4

http://classroom.synonym.com/residual-statistics-6103.html