Patient days in a hospital were recorded as shown in Table.
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a. Predict naïve forecasts of patient days for February and June.
b. Predict the patient days for January, using a four - period moving average.
c. Predict the patient days for January, using the six - period moving average.
d. Plot the actual data and the results of the four - period and the six - period moving averages. Which method is a better predictor?