How is the calculation of a variance affected by an observation with a negative rate of return when other returns are positive?
A)It reduces the variance
B)It increases the variance
C)Variance is not affected by negatives or positives
D)The effect cannot be determined from this information

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The Answer of How is the calculation of a variance affected by an observation with a negative rate of return when other returns are positive?
A)It reduces the variance
B)It increases the variance
C)Variance is not affected by negatives or positives
D)The effect cannot be determined from this information

How Is the Calculation of a Variance Affected by an Observation