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mLine 18:
Line 18: − − It may be important to consider the standard deviation is but ''a'' measure of dispersion, and not the only one. For instance, a [[Cauchy distribution]] has an undefined standard deviation (or mean), yet a glance at its [[Probability density function | pdf]] suggests that it is not "infinitely" dispersed.
Reverted edits by RyanMatthews (Talk) to last version by Qwestor
which is the formula for a [[point estimate]] of the true standard deviation from a sample size of ''n''. As such this [[statistical estimator]] itself has a variance which, as the formula indicates, decreases as the sample size increases.
which is the formula for a [[point estimate]] of the true standard deviation from a sample size of ''n''. As such this [[statistical estimator]] itself has a variance which, as the formula indicates, decreases as the sample size increases.