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2. National Scan Inc., sells radio frequency inventory tags. Monthly sales for a sevenmonth period were as follows:
Month
Sales
(000 units)
Feb 19
Mar 18
Apr 15
May 20
Jun 18
Jul 22
Aug 20
a. Plot the monthly data on a sheet of graph paper.
Feb Mar Apr May Jun Jul Aug
0
5
10
15
20
25
RFI Tag Sales
Month
Units
b. Forecast September sales volume using each of the following:
1) The naïve approach
2) A five-month moving average.
F8= 95/5= 19
September Forecast= 19
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