The arithmetic mean (usually synonymous with average) represents a point about which the numbers balance. The arithmetic mean, denoted x, of a set of n numbers x 1, x 2, …, x n is defined as the sum of the numbers divided by n: Several kinds of means exist, and the method of calculating a mean depends upon the relationship known or assumed to govern the other members. Mean, in mathematics, a quantity that has a value intermediate between those of the extreme members of some set. SpaceNext50 Britannica presents SpaceNext50, From the race to the Moon to space stewardship, we explore a wide range of subjects that feed our curiosity about space!.Learn about the major environmental problems facing our planet and what can be done about them! Saving Earth Britannica Presents Earth’s To-Do List for the 21st Century.Britannica Beyond We’ve created a new place where questions are at the center of learning. ![]()
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