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Among other services and products that Karl's Copiers provides, it sells and repairs photocopy machines.
Among other services and products that Karl's Copiers provides, it sells and repairs photocopy machines. It is now the end of December 2017 and the manager needs to plan his service staffing for January 2018. The manager first needs to forecast the number of service calls for January 2018. Following is the record of service calls for the past 12 months.
Month
Number of Service Calls
January
30
July
31
February
24
August
38
March
27
September
37
April
31
October
36
May
37
November
32
June
34
December
29
You have been asked by the manager to help with the forecast for January 2018. He has asked you to provide forecasts for January using the following three methods:
- Moving Average
- Weighted Moving Average
- Exponential Smoothing
He has also asked you to determine which of these three forecasts he should select. To make this assessment, he has asked that you compare the actual number of service calls to what the forecasts would have been for August through December 2017 using each of the three methods.
