mean

Calculates the arithmetic mean of an array of numbers.

Syntax

mean(values: number[]): number

Parameters

Name	Type	Description
values	number[]	Array of numbers.

Return

Type	Description
number	Arithmetic mean of the values, or 0 if empty.

Example

mean([1, 2, 3, 4]); // 2.5
mean([]); // 0

Notes

• Throws TypeError if the argument is not an array of numbers.
• Uses the add function to sum the values.

References

• MDN: Arithmetic mean