Problem 3-2
National Scan, Inc., sells radio frequency inventory tags.Monthly sales for a seven-month period were as follows:
| Month | Sales (000)Units |
| Feb. | 14 |
| Mar. | 20 |
| Apr. | 11 |
| May. | 22 |
| Jun. | 21 |
| Jul. | 25 |
| Aug. | 16 |
b. Forecast September sales volume using each of thefollowing:
(1) A linear trend equation.(Round your intermediatecalculations and final answer to 2 decimalplaces.)
Yt thousands
2) Exponential smoothing with a smoothing constant equal to .20,assuming a March forecast of 17(000). (Round yourintermediate forecast values and final answer to 2 decimalplaces)
Forecast thousands
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