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