English

Definition of standard deviation noun from the Oxford Advanced Learner's Dictionary

 

standard deviation

 noun
noun
BrE BrE//ˌstændəd ˌdiːviˈeɪʃn//
 
; NAmE NAmE//ˌstændərd ˌdiːviˈeɪʃn//
 
(mathematics)
 
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the amount by which measurements in a set vary from the average for the set
See the Oxford Advanced American Dictionary entry: standard deviation