deviation vs statistic

deviation and statistic both are nouns.

Word	Noun	Adjective	Verb	Adverb
deviation	Yes	No	No	No
statistic	Yes	No	No	No

As nouns, statistic is a hypernym of deviation; that is, statistic is a word with a broader meaning than deviation:

deviation: the difference between an observed value and the expected value of a variable or function
statistic: a datum that can be represented numerically

deviation (noun)	statistic (noun)
deviate behavior	a datum that can be represented numerically
a turning aside (of your course or attention or concern)
the error of a compass due to local magnetic disturbances
the difference between an observed value and the expected value of a variable or function
a variation that deviates from the standard or norm