免费均值计算器

计算数据集的算术均值,适用于统计分析和数据处理。

均值

21.0000

Sum84.00
范围18.00

公式

## How to Calculate the Mean ### Formula **Mean = (x₁ + x₂ + x₃ + ... + xₙ) / n** The arithmetic mean is the most common type of average. Add all values together and divide by the number of values.

计算示例

Find the mean of 12, 18, 24, and 30.

  1. 01Sum = 12 + 18 + 24 + 30 = 84
  2. 02Count = 4
  3. 03Mean = 84 / 4 = 21

常见问题

What is the mean?

The mean (arithmetic mean) is the sum of all values divided by the number of values. It is the most commonly used measure of central tendency.

Is the mean the same as the average?

Yes, in everyday usage, "average" typically refers to the arithmetic mean. However, "average" can also refer to the median or mode in certain contexts.

学习

How to Calculate Percentages - Complete Guide

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