BUSI 411 Operations Management Ch 3

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Problem 3-2 National Scan, lnc., sells nadio frequency inventory tags. Monthly sales for a seven-month period were as follows:

Month Feb. Mar. Apr. May. Jun. Jul. Aug.

Sales (000)Units

15 16 11

26 15 u 26

b, Forecast September sales volume using each of the following:

(1) A linear trcnd equation.(Round your intermediate calculations and final answer lo 2 decimal places.)

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(2) A fiv+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 17(000). (Round your intermediate forecast values and final answer to 2 decimal places)

Forecast

(4) The naive approach.

Naive approach

decimal places.)

Weighted average

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(5) A weighted average using .70 for August, .20 for July, and .10 for June. (Round your answer to 2

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