Question

How to calculate four yearly central
moving average in 4 yearly moving
average method
O
a. by adding the totals taking 4 values
at a time
O b. By dividing the moving total by 4
O c. by adding the moving totals
d. by dividing the central moving total
O
by 8

Answer 1

Answer:

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Answer 2

Answer:

The two averages a1 and a2 are further averaged to get an average of a1+a22=A1, which refers to the center of t3 and is written against t3. This is called centering the 4-year moving averages. The process continues until the end of the series to get 4-years moving averages centered.