A counseling service records the number of calls to their hotline for the last year. What is the forecast for October if a weighted moving average with weights of 0.5, 0.3, and 0.2 is used to model this data?
Month Demand
January 111
February 127
March 146
April 159
May 165
June 165
July 178
August 182
September 191
October 208
November 223
December 228
A) 177.4
B) 185.7
C) 197.7
D) 190.3
Answer: B
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