Find a linear trend equation

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Reference no: EM131900584

Please help explain how to solve these problems, not only give the answers.

Problem

a. National Scan, Inc., sells radio frequency inventory tags. Monthly sales for a seven-month period were as follows:

Month Sales
(000)Units
  Feb. 17
  Mar. 18
  Apr. 14
  May. 27
  Jun. 20
  Jul. 24
  Aug. 24

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.)

(2) A five-month moving average. (Round your answer to 2 decimal places.)

(3) Exponential smoothing with a smoothing constant equal to .20, assuming a March forecast of 16(000). (Round your intermediate forecast values and final answer to 2 decimal places)

(4) The naive approach.

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

Reference no: EM131900584

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