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www.mathsisfun.com
mathsisfun.com › dat...iation-formulas.html
Feb 21, 2026 — Deviation means how far from the average. The Standard Deviation is a measure of how spread out numbers are. You might like to read this simpler...
⏱ 5 min read
standard-deviation-calculator.net
standard-deviation-calculator.net
Feb 21, 2026 — The standard deviation calculator allows you to determine the population and sample standard deviation and variance with mean.
⏱ 2 min read
mathworld.wolfram.com
mathworld.wolfram.com › StandardDeviation.html
Feb 21, 2026 — The standard deviation sigma of a probability distribution is defined as the square root of the variance sigma^2, sigma = sqrt(-^2) (1) = sqrt(mu_2^'-mu^2), (2) where mu=x^_= is the mean, mu_2^'= ...
⏱ 3 min read
purecalculators.com
purecalculators.com › standard-deviation-calculator
Feb 21, 2026 — This free calculator gives you the standard deviation, variance, mean, and sum of a given data set.
⏱ 15 min read
en.wikipedia.org
en.wikipedia.org › wiki › Standard_deviation
Feb 21, 2026 —
⏱ 47 min read
simple.wikipedia.org
simple.wikipedia.org › wiki › Standard_deviation
Feb 21, 2026 —
⏱ 14 min read
en.wikibooks.org
en.wikibooks.org › wiki › ...E › Standard_Deviation
Feb 21, 2026 —
⏱ 3 min read
commons.wikimedia.org
commons.wikimedia.org › wiki › Standard_deviation
Feb 21, 2026 —
⏱ 4 min read
war.wikipedia.org
war.wikipedia.org › wiki › Standard_deviation
Feb 21, 2026 —
www.wikidata.org
wikidata.org › wiki › Special:EntityPage › Q159375
Feb 21, 2026 — dispersion of the values of a random variable around its expected value
⏱ 5 min read
www.wikidata.org
wikidata.org › wiki › Q159375
Feb 21, 2026 — dispersion of the values of a random variable around its expected value
⏱ 5 min read
id.loc.gov
id.loc.gov › authorities › sh85127303
Feb 21, 2026 —