# If the variance of a distribution is 16, the mean is 12, and the number of cases is 24, what is...

## Question:

If the variance of a distribution is 16, the mean is 12, and the number of cases is 24, what is the standard deviation?

## Standard deviation:

In the study of the data of a population or a sample thereof, several elements are analyzed, such as the mean, variance and standard deviation. The standard deviation indicates how scattered all the data are with respect to the average. The symbol {eq}\sigma {/eq} is used to represent the standard deviation of a population.

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