Statistics 简明教程

Statistics - Geometric Mean

n 个数字的几何平均值被定义为 n 个数字乘积的 n 次根。

Geometric mean of n numbers is defined as the nth root of the product of n numbers.

Formula

其中——

Where −

  1. ${n}$ = Total numbers.

  2. ${x_i}$ = numbers.

Example

Problem Statement:

Problem Statement:

确定以下数字的几何平均值。

Determine the geometric mean of following set of numbers.

1

3

9

27

81

Solution:

Solution:

步骤 1：此处 n = 5

Step 1: Here n = 5

因此，所给数字的几何平均值是 9。

Thus geometric mean of given numbers is $ 9 $.