The Portfolio Variance Is the

The portfolio variance is the

A) sum of the squares of the deviations from the mean value under each scenario.
B) average of the sum of the squares of the deviations from the mean value under each investment scenario.
C) average of the product of the squares of the deviations from the mean value under each scenario.
D) average of the sum of the deviations from the mean value under each investment scenario.