Amex PLC has gathered following information on the sales of face mask from April 2020 to September 2020. You are required to; Using linear trend equation forecast the sales of face masks for October 2020. 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. Month Sales ($) April 17,000 May 18,000 June 19,500 July 22,000 August 21,000   September   23,000

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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.
  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.

Month

Sales ($)

April

17,000

May

18,000

June

19,500

July

22,000

August

21,000

 

September

 

23,000

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