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frozen [14]
3 years ago
10

The variance of a stock's returns can be calculated as the:

Mathematics
1 answer:
Tamiku [17]3 years ago
4 0

Answer:

The correct option is b.

Step-by-step explanation:

The formula for standard deviation is

\sigma^2=\frac{\sum {(x-\overline{x})^2}}{n}

where, \overline{x} is mean of the data and n is number of observation.

The variance of a stock's returns can be calculated by the above formula.

Variance of stock's returns is the average value of squared deviations from the mean.

Therefore the correct option is b.

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