The answer is A, the appropriate choice being total risk measures. Typical deviation A random variable, sample, statistical population, or data set's standard deviation
What meaning should a standard deviation have?
How much a data gathering deviates from the mean is described by the phrase "standard error" (or ""). When the standard error is low, the data tend to cluster all around mean; when it is high, the information are more dispersed.
Give an illustration of standard deviation.
The data's divergence from the mean is measured by the standard deviation. It is useful for contrasting data sets that might have the same mean but a different range. For instance, the mean of the two following numbers is the same: 15, 15, 15, 14, 16, and 2, 7, 14.
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