To calculate monthly typical seasonal indexes, after computing the ratio-to-moving averages, the averages must be:
A) divided by 12.
B) multiplied by 12.
C) summed and divided by 12.
D) centereD.

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The Answer of To calculate monthly typical seasonal indexes, after computing the ratio-to-moving averages, the averages must be:
A) divided by 12.
B) multiplied by 12.
C) summed and divided by 12.
D) centereD.

To Calculate Monthly Typical Seasonal Indexes, After Computing the Ratio-To-Moving