Question

The following table contains the number of complaints received in the department store for first 6 months of operation:

Month Jan Feb Mar April May June

Complaints 36 45 81 90 108 144

a. Calculate the forecast for the month from April through June using 3 month moving average?

b. What will be the forecast for the month of July using 3 month moving average?

c. If actual sales for the month of July turned out to be 145, what will be the

forecast for August month using 3 month moving Average?

Step 1

**Moving average **

The moving average takes a moving window of actual values and forecasts for the next period. Since a 3 month moving average has been specified, we compute the moving average forecast for month of April by take the average of the actual values for the previous 3 months. Similarly we c...

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