4 ms·umbers.by rhn_mk1 5y agoumbers._Microft 5y agoThat was more than likely not a typo. n is used like this in some fields: https://en.wikipedia.org/wiki/N#Other_uses https://en.wikipedia.org/wiki/N#Other_usesHPsquared 5y agoSpecifically in statistics, lowercase n refers to sample size.