National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows: Month Sales (000)Units Feb. 16 Mar. 19 Apr. 14 May. 27 Jun. 18 Jul. 24 Aug. 25
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 .30, assuming a March forecast of 19(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 .60 for August, .20 for July, and .20 for June.
(Round your answer to 2 decimal places.) Weighted average thousands