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i Firefox File Edit View History Bookmarks Tools Window Help ?? 40% CO Fri 9:47 AM w WileyPLUS WileyPLUS ?? https://edugen.wileyplus.com/edugen/student/mainfrun. Search WileyPLUS Business Statistics, ath Edition, Wileypuus Custom Course for Georgia Southern University BUSINESS STATS& QM (BUSA 3131- 3132) Home Read, Study &Practice; Gradebook ORION Assignment> Open Assignment MESSAGE MY INSTRUCTOR FULL SCREtN PRINTER VERSION ? BACK ASSIGNMENT RESOURCES Question 5 Use the following time-series data to answer the given questions. Question l Questian 2 Time Period Value uestion 30 59 62 58 Review Results by Stu 71 86 101 97 10 a. Develop forecasts for periods 5 through 10 using 4-month moving averages. b. Develop forecasts for periods 5 through 10 using 4-month weighted moving averages. Weight the most recent month by a factor of 4, the previous month by 2, and the other months by 1 c. Compute the errors of the forecasts in parts (a) and (b) and observe the differences in the errors forecast by the two different techniques (Round your answers to 3 decimal places.) All Rights Reserved. A Division of John Wiley & Sons Inc. Version 4.24.7.7 13

Explanation / Answer

formula used

c) we see that error (75.75) is less in weighted average than in 4-month moving average(106)

t value moving weighted error in 1 25 average average moving weighted 2 30 average average 3 59 4 62 5 58 44 52.625 14 5.375 6 65 52.25 55.625 12.75 9.375 7 71 61 62.125 10 8.875 8 86 64 66.75 22 19.25 9 101 70 76.125 31 24.875 10 97 80.75 89 16.25 8 106 75.75

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