norm vs modal value

norm and modal value both are nouns.

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

As nouns, modal value is a hyponym of norm; that is, modal value is a word with a more specific, narrower meaning than norm:

Other hyponyms of norm include age norm, mode, median, median value, mean, mean value.

norm (noun)	modal value (noun)
a statistic describing the location of a distribution	the most frequent value of a random variable
a standard or model or pattern regarded as typical