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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 2AGP

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Question

The following table gives the number of pints of type A blood used at Damascus Hospital in the past 6 weeks:

Week Of Pints Used
August 31 360
September 7 389
September 14 410
September 21 378
September 28 368
October 5 374

a) The forecasted demand for the week of October 12 using a 3-week

moving average = 373.33 pints (round your response to two decimal places).

b) Using a 3-week weighted moving average, with weights of 0.15, 0.25, and 0.60, using 0.60 for the most recent week, the forecasted demand for the week of October 12 = ? pints (round your response to two decimal places and remember to use the weights in appropriate order — the largest weight applies to most recent period and smallest weight applies to oldest

period.)

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