A colleague generates a best-fit line through a set of data points and asks you to confirm its usefulness and goodness-of-fit. You perform a root-mean-squared-error (RMSE) calculation and come up with a very small RMSE value. Based on this value you deter

A) deviates far from the data points.
B) fits the data well.
C) is useless for interpolation but valid for extrapolation.
D) predicts a value that is too far from the actual value.

B