Math.mean()

Get the arithmetic mean of an Array or Set of Numbers.

Signatures

To average an Array of Numbers:

Math.mean(numbers: Array<Number>) => Number

To average a Set of Numbers:

Math.mean(numbers: Set<Number>) => Number

Description

Gets the arithmetic mean of an Array or Set of Numbers.

Parameters

Parameter Type Required Description

numbers

Array<Number> | Set<Number>

Yes

Numbers to average.

Return value

Type Description

Number

Arithmetic mean of the numbers.

Examples

Average an Array of numbers

Math.mean([1, 2, 3, 4, 4])
2.8

Average a Set of numbers

// Converts an array to a Set.
let set = [1, 2, 3, 4, 4.0].toSet()

Math.mean(set)
2.8

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