California State University, Northridge » Systems and Operations Management » SOM 307 - Data Analysis and Modeling » Fall 2021

SOM 307 - Data Analysis and Modeling » Fall 2021 » Weighted MA 4 MC

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Question #1

Given the following data and a 4-period weighted moving average. t At 1 17 2 15 3 19 4 13 5 18 Supposed the weights of the four periods are 0.1, 0.2, 0.3, 0.4 for the OLDEST to NEWEST periods, respectively. Compute the 4-period weighted moving average in period 5.

A. 12.7

B. 18.4

C. 16.4

D. 15.95

E. 14.7

Question #2

Given the following data and a 4-period weighted moving average. t At 1 19 2 13 3 11 4 11 5 14 Supposed the weights of the four periods are 0.1, 0.15, 0.25, 0.5 for the OLDEST to NEWEST periods, respectively. Compute the 4-period weighted moving average FORECAST for period 6.

A. 17.65

B. 17.85

C. 12.7

D. 17.25

E. 13.05

Question #3

Given the following data and a 4-period weighted moving average. t At 1 14 2 20 3 19 4 13 5 12 Supposed the weights of the four periods are 2, 4, 6, 7 for the OLDEST to NEWEST periods, respectively. Compute the 4-period weighted moving average in period 5.

A. 12.95

B. 14.63

C. 16.05

D. 14.39

E. 15.47

Question #4

Given the following data and a 4-period weighted moving average. t At 1 17 2 14 3 20 4 19 5 17 Supposed the weights of the four periods are 0.1, 0.15, 0.35, 0.4 for the OLDEST to NEWEST periods, respectively. Compute the average of age of data in this 4-period weighted moving average.

A. 2.15

B. 2

C. 2.05

D. 1.85

E. 1.95

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