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. 17
Apr. 13
May. 28
Jun. 18
Jul. 25
Aug. 25
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 .40, assuming a March forecast of 16(000). (Round your intermediate calculations and final answer to 2 decimal places.) Forecast thousands
(4) The naive approach. Naive approach thousands
(5) A weighted average using .70 for August, .20 for July, and .10 for June. (Round your answer to 2 decimal places.) Weighted average thousands.