3-1) National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows: MonthSales (000)Units Feb.17 Mar.19 Apr.10 May.27 Jun.16 Jul.24 Aug.24 b.Forecast September sales volume using each of the following: (1)A linear trend equation.(Round your intermediate calculations and final answer to 2 decimal places.) Yt thousands (2)A five-month moving average. (Round your answer to 2 decimal places.) Moving average thousands (3)Exponential smoothing with a smoothing constant equal to .20, assuming a March forecast of 18(000). (Round your intermediate forecast values and final answer to 2 decimal places) Forecast thousands (4)The naive approach. Naive approach thousands (5)A weighted average using .50 for August, .10 for July, and .40 for June. (Round your answer to 2 decimal places.) Weighted averagethousands
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