### Radio frequency inventory tags-linear trend equation

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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.

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