Answered: Amex PLC has gathered following…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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;
a. Using linear trend equation forecast the sales of face masks for October 2020.
b. 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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