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24 August, 15:34

Here are the data for the past 21 months for actual sales of a particular product: 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 Develop a forecast for the fourth quarter using a three-quarter, weighted moving average. Weight the most recent quarter 0.50, the second most recent 0.25, and the third 0.25. Do the problem using quarters, as opposed t

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  1. 24 August, 18:03
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    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
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