A particular forecasting model was used to forecast a six$-$month period. Here are the forecasts and actual demands that resulted:

FORECAST ACTUAL

April $248348$

May $322472$

June $397497$

July $347297$

August $372272$

September $445570$

Find the tracking signal for each month.

Note: Negative values should be indicated by a minus sign. Round your answers to $2$ decimal places.

Is the model being used giving acceptable answers?

multiple choice