Question: Standard deviation is equal to: the square root of the average value of squared deviations from the mean. the average value of squared deviations from

Standard deviation is equal to:

the square root of the average value of squared deviations from the mean.

the average value of squared deviations from the mean.

the probability-weighted average of the product of each variable's difference from its mean.

the probability-weighted average of possible outcomes.

the square root of the probability-weighted average of possible outcomes.

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