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Given the following history, use a three-quarter moving average to forecast the demand for the third...

Given the following history, use a three-quarter moving average to forecast the demand for the third quarter of this year. Note, the 1st quarter is Jan, Feb, and Mar; 2nd quarter Apr, May, Jun; 3rd quarter Jul, Aug, Sep; and 4th quarter Oct, Nov, Dec.

JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Last year 170 200 210 240 250 270 225 215 215 275 280 300
This year 205 210 140 255 245 220

Forecast for the third quarter____________________

business   Operations-Management   
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Answer #1

In order to calculate the three quarter moving average, we need to have the demand for the year 1 quarter 4, year 2 quarter 1, year 2 quarter 2.



QUARTER

VALUE !

VALUE 2

VALUE 3

Y1Q4

275

280

300

855

Y2Q1

206

210

140

556

Y2Q2

255

245

220

720

2131


NOW:

The forecast for the next quarter is the average of the past three quarters.

= 2131 / 3 = 710.34


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