1. The responsibilities of the operations manager are:
designing and operating.
forecasting, designing, operating, procuring, and reviewing.
planning, organizing, staffing, procuring, and reviewing.
forecasting, designing, planning, organizing, and controlling.
planning, organizing, staffing, directing, and controlling.
2. The mean absolute deviation is used to:
estimate the trend line.
seasonally adjust the forecast.
eliminate forecast errors.
measure forecast accuracy.
compute periodic forecast errors.