HI6007 Statistics For Business Decisions - Tutorial Questions Assignment

Question 6 : Week 12 Question 2, (7 Marks)

Amex PLC has gathered following information on the sales of face mask from April 2020 to September 2020.

You are required to;

1. Using linear trend equation forecast the sales of face masks for October 2020. (5 marks)
2. Calculate the forecasted sales difference if you use 3-period weighted moving average designed with the following weights: July 0.2, August 0.3 and September 0.5. (2 marks)

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