mean value vs norm

mean value and norm both are nouns.

Word	Noun	Adjective	Verb	Adverb
mean value	Yes	No	No	No
norm	Yes	No	No	No

As nouns, norm is a hypernym of mean value; that is, norm is a word with a broader meaning than mean value:

mean value: an average of n numbers computed by adding some function of the numbers and dividing by some function of n
norm: a statistic describing the location of a distribution

Other hypernyms of mean value include average.

mean value (noun)	norm (noun)
an average of n numbers computed by adding some function of the numbers and dividing by some function of n	a statistic describing the location of a distribution
	a standard or model or pattern regarded as typical