Consider a portion of monthly sales data for 5 years for a growing firm. Year.............. Month............. Sales

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Consider a portion of monthly sales data for 5 years for a growing firm.

Year.............. Month............. Sales

1 .......................Jan.............. 345

1 .......................Feb............. 322

⋮ ........................⋮...................... ⋮

5....................... Dec......... 10,745

a. Construct the seasonal indices for the data.

b. Plot the seasonally adjusted series to recommend the appropriate trend model.

c. Use the trend and seasonal estimates to make forecasts for the next two months.

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Business Statistics Communicating With Numbers

ISBN: 9780078020551

2nd Edition

Authors: Sanjiv Jaggia, Alison Kelly

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Question Posted: Dec 20, 2016 09:47 AM

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Consider a portion of monthly sales data for 5 years for a growing firm. Year.............. Month............. Sales

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a Calculating the RatiotoMoving Average Year Month t y CMA RatiotoMoving Average 1 Jan 1 345 1 Feb 2 ...View the full answer

Business Statistics Communicating With Numbers

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