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Question

The city golf course is interested in starting a junior golf program. The golf pro has collected data on the number of youths under 13 that have played golf during the last 4 months. Using a three-month moving average (with weights of 5, 3, and 1 for the most current value, next most current value and oldest value, respectively), the forecast value for October made at the end of September in the following time series would be __________.
July 28
Aug 27
Sept 17
Oct 19

a) 24
b) 21
c) 21.56
d) 19.22
e) 22

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