According to Hogan and Warrenfelz, which of the following skills is the most difficult to change?

Which of the following demands extensive hardware, is used by larger organizations, and may not be ideal for managers working with smaller projects?

A) Primavera B) Zoho C) FastTrack D) SAP PS

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.