BUSI 411 Operations Management Ch 3

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worksheet Difficutty: 2 Medium !-l:l:q ?:l::l'-' 03-08 Preparea moving average forecast. probtem 3_2 Learning Objective:03-07 Use a Learning Objective:03-10 Prepare

naive method to make a forecast. an exponential smoothing forecast.

award:

2_ 5.00 points O you did not receive creditfor tris question in a previous attempt

Problem 3-7 Freight car loadings over an 1&week period at a btsy port are as follcurs:

Week Number Week Number Week Numben 1 400 7 &5 13 575 2 41S I 495 14 580 3 430 I 525 15 610 4 415 10 510 16 625 5$Afi*4 17640 6 435 12 570 18 655

a. Determine a linear trend line for expecied fr€ight car loadings. (Do not round intermediate calculations. Round your final answens to 2 decimal places.)

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b. Use the above trcnd quation to predict expected loadirgs for Weeks n & 21. (Round your final answers to 2 decimal places.)

The forecasted demand for Week 20 is and for Week 21 is

c. The rnanager intends to install new equipment when tle volume exceeds 980 loadings per week. Assuming the cunent trend continues, in which wed< (at tte earliest) should the loading volume reach that level? Use the rounded answers, as required, from any previous part of this problem. Do not round any other intermediate calculations. Round your final answer to 2 decimal places.

It should reach 9S0loadings in Week

Worksheet Difficulty:2 Medium

probtem 3-T Learning Objective:03-11 Prepare a linear trend forecast.

2 5.00 ooints t).

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I S Vo, did not receive credit for this question in a previous attempt I 2t4