Do Homework Michael Beale Google Chrome Secure https//www.mathod.com/student/Pla

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Do Homework Michael Beale Google Chrome Secure https//www.mathod.com/student/Playertomework aspohomeworkld-4729961418questionld-2Bflushed-falsed49129448 centerwin-yes Michsel Beale &13/22/18 2:11 PM MANAGEMENT OF OPERATIONS (1) Homework: Homework 4 Score: 0.17 of 1 pt Problem 4.1 Save 4 of 10 (3 complete) HYV Score: 3.67%, 0.37 of 10 pts Queson Help The tolowing table gives the number of pints of type A blood used at Damascus Hospital in the past 6 weeks Week Of August 31 September Septomber 14 Sectember 21 September 28 Pints Used 350 389 412 383 368 Octobor 5374 ) The forecasted demand for the week of0dober 12using a 3 week monglyrn:375 pnts inondyour response torso deemaplaces b) Using a 3 week weighled moving average, with woights of 0 10, 0 35, and 0 55, using 0 55 for the most recent week, the forecasted demand foer the week of October 12pnts fround your response to two decimal places and remember to use the woights in appropriate or- me largest weight applies to most recent periodt and smalest weighd applies to oldest period) Enter your answer in the answer box and then click Check Answer amaring Clear A 3

Explanation / Answer

Problem 4.1

A The Forecast for the week of October 12 is 375 pints for Moving Average

B The Forecast for the week of October 12 is 373 pints for Weighted Moving Average

Problem 4.4

No of checks received in June = 38 million = Xt

Forecast in June = 42 million

Smoothing constant a = 0,25

Let the forecast for month of July be St, June be St-1

Thus St = a*Xt + (1-a)*St-1;

St = 0.25*38 + 0.75*42 = 41 million

Thus the predicted forecast for July with Exponential Smoothing is 41 million.

Problem 4.5

a ) The Forecast for Year 6 for Moving Averages is 3750

b) The Mean Absolute Deviation(MAD) is 116.67

Problem 4.19

Thus the Forecast for the Month of August is $71760(approx) using Trend Adjusted Smoothing

Problem 4.30

a = [sigma(y)*Sigma(x squared) - sigma(x)*sigma(x*y)]/[n*sigma(x squared) - sigma(x)*sigma(x)] = 3475910.7/10841 = 320.63

b = [n*sigma(x*y) - sigma(x)*sigma(y)]/[n*sigma(x squared) - sigma(x)*sigma(x)] = 18324/10841 = 1.690

Thus Y = 320.63 + 1.690*X

Weeks Pints Forecast(Moving Average) Forecast(weighted Moving Average) 1 350 2 389 3 412 4 383 384 398 5 368 395 394 6 374 388 378 7 375 373

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