|Compare geometric mean Often shortened to: mean, Also called: average an average value of a set of integers, terms, or quantities, expressed as their sum divided by their number: the arithmetic mean of 3, 4, and 8 is 5|
|a system in which a large or small number is written as a number between 1 and 10 times a power of 10|
|A positive integer|
|arithmetic mean (ār'ĭth-mět'ĭk) Pronunciation Key
The value obtained by dividing the sum of a set of quantities by the number of quantities in the set. For example, if there are three test scores 70, 83, and 90, the arithmetic mean of the scores is their sum (243) divided by the number of scores (3), or 81. See more at mean. Compare average, median, mode.