National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as...

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National Scan, Inc., sells radio frequency inventory tags.Monthly sales for a seven-month period were as follows:

MonthSales
(000)Units
Feb.19
Mar.15
Apr.8
May.17
Jun.19
Jul.20
Aug.22


b.
Forecast September sales volume using each of thefollowing:

(1) A linear trend equation.(Round your intermediatecalculations and final answer to 2 decimal places.)
  

Yt              thousands

(2) A five-month moving average. (Round your answer to 2decimal places.)
  

Moving average             thousands

(3) Exponential smoothing with a smoothing constant equal to.25, assuming a March forecast of 15(000). (Round yourintermediate forecast values and final answer to 2 decimalplaces)
  

Forecast             thousands

(4) The naive approach.

Naive approach             thousands

(5) A weighted average using .65 for August, .10 for July, and.25 for June. (Round your answer to 2 decimalplaces.)
  

Weighted average             thousands

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