first moment

1. 1.

   the sum of the values of a random variable divided by the number of values

   Synonymsarithmetic meanexpectationexpected value

   Broadermean

   statistics

Questions about first moment

What does first moment mean?

first moment means "the sum of the values of a random variable divided by the number of values".

What is another word for first moment?

Close synonyms include arithmetic mean, expectation, expected value. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is first moment a common word?

first moment is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.