standard deviation
/ˌstændərd ˌdiːviˈeɪʃən/
the square root of variance; a measure of dispersion
standard deviation in a sentence
“Most data falls within two standard deviations of the mean.”
Origin of standard deviation
From standard + Latin deviare to turn aside
Related Words
distribution
a function showing all possible values and their probabilities
independent
events where one does not affect the probability of another
conditional probability
the probability of an event given that another has occurred
Bayes' theorem
a formula for updating probabilities based on new evidence
probability
a measure of the likelihood that an event will occur
stochastic
randomly determined; having a random probability distribution