variability vs variance

variance vs variability

variability and variance both are nouns.

Word	Noun	Adjective	Verb	Adverb
variability	Yes	No	No	No
variance	Yes	No	No	No

As nouns, variability and variance are synonyms defined as:

variability and variance: the quality of being subject to variation

Other synonyms of variability include variableness.

variability (noun)	variance (noun)
the quality of being subject to variation	an activity that varies from a norm or standard
the quality of being uneven and lacking uniformity	an official dispensation to act contrary to a rule or regulation (typically a building regulation)
	a difference between conflicting facts or claims or opinions
	the quality of being subject to variation
	the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
	discord that splits a group
	an event that departs from expectations

Difference between variability and variance

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