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Time Series Analysis: Seasonal Index and Seasonal Forecast

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Caseload per worker for each of the past 48 months is shown in the attached Excel file, as well as the number of workers budgeted and the numbers of workers who actually reported to work during each month. The caseload changes periodically, mainly down in the summer, up in the fall, down in winter, up in the spring.

I need assistance with the following:

a) Determine the seasonal index for each month?

b) What would be the best fitted formula to forecast the caseload for the next 48 months?

c) Caseload should be limited to 12 per workers. Determine at what point in time to add more workers to keep caseload from going over 12.

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This solution is comprised of a detailed analysis of the given problem and step-by-step calculations in EXCEL and provides students with a clear perspective of the underlying concepts of Time Series Forecast Analysis.

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