Three periods double moving average method

Reference no: EM1316748

A company tracked the number of complaints it received during the first 6 months of last year, as shown in the following table:

Month	Complaints	Weights
January	36	0.1
February	45	0.1
March	81	0.3
April	90	0.3
May	95	0.1
June	92	0.1

What was the 3-month double moving average in July?

a. 72

b. 85

c. 89

d. 92

Reference no: EM1316748

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