In Determining Monthly Seasonal Indexes for Gas Consumption,the Sum of the 12

Multiple Choice

In determining monthly seasonal indexes for gas consumption,the sum of the 12 means for gas consumption as a percentage of the moving average is 1150.To get the seasonal indexes,each of the 12 monthly means is to be multiplied by:

A) 1150 / 1200
B) (1200 + 1150) / 12
C) (1150 + 12) / 1200
D) 1200 / 1150