A tracking signal greater than zero and a mean absolute deviation greater than zero imply that the forecast has
A) a nonzero amount of bias and a nonzero amount of forecast error variability.
B) a nonzero amount of bias and no variability of forecast error.
C) no bias and no variability of forecast error.
D) no bias and a nonzero amount of forecast error variability.

Question

Quizplus · Accepted Answer

A tracking signal greater than zero indicates a nonzero amount of bias, and a mean absolute deviation greater than zero indicates a nonzero amount of forecast error variability.

A Tracking Signal Greater Than Zero and a Mean Absolute