8 The reason for centering a moving average is to a convert

______ 8. The reason for centering a moving average is to a. convert the average to an index. b. remove the random variation. c. find the correction factor. d. align the time periods. ______ 9. A monthly index is being developed for the company sales. The moving total will consist of a. four quarterly sales values. b. logs of sales. c. logs of quarters. d. twelve monthly sales values. ______ 10. The index for October for imports by Wines, Inc. is 90. The actual imports for October were $450,000. The seasonally adjusted imports are a. $405,000. b. $450,000. c. $500,000. d. none of the above.

Solution

8) d) alligns the time periods

9) d) 12 month sales values

10) a) 405000