Tutorial 7.doc - BBDM2153 Operations Management Tutorials 7...

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BBDM2153 - Operations Management Tutorials 7 1) Explain why forecasting can be ineffective.
2) A Taiwan electronics company exports personal computers (PCs) to the U.S. Their PC sales over the past five years are given below: Year Sales (‘000) 1 6 2 9 3 13 4 15 5 20 (a) What is the regression equation if the company wants to predict sales? (b) What is the forecast for sales in year 6?

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