Answer:
forecast for the fourth quarter is 1038.75
Step-by-step explanation:
given,
LAST YEAR THIS YEAR
January 330 295
February 400 360
March 460 365
April 490 475
May 390 405
June 440 355
July 455 335
August 345 290
September 365 325
October 555
November 590
December 530
the actual recent quarter sale is
= 335 + 290 + 325 = 950
the actual sale of second recent quarter
= 475 + 405 + 355 = 1,235
the actual sale of third most recent quarter
= 295+360+365
= 1020
forecast for the 4th quater using 3-quaters
WMA = 0.5 x 950 + 0.25 x 1235 + 0.25 x 1020
WMA = 1038.75
forecast for the fourth quarter is 1038.75
