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Standard Deviation 计算器

Standard deviation (σ) 计算器 with mean 值 & variance online.

Population and sampled standard deviation 计算器

输入 data values delimited with commas (e.g: 3,2,9,4) or spaces (e.g: 3 2 9 4) and press the 计算 button.

 

Average 计算器 Standard deviation 计算器 Variance 计算器

输入 data values

 

= 计算 × 重置

Population standard deviation

Sample standard deviation

Population variance

Sample variance

Mean

Discrete random variable standard deviation 计算器

输入 probability or 重量 and data number in each row:

Data number	Probability

= 计算 × 重置 + Add row

Standard deviation

Variance

Mean

Mean

Whole population standard deviation calculation

Population mean:

Population standard deviation:

Sampled data standard deviation calculation

Sample mean:

Sample standard deviation:

Discrete random variable standard deviation calculation

Random variable mean:

Discrete random variable standard deviation:

 

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See also

• Standard deviation
• Average 计算器
• Weighted average 计算器
• Variance 计算器

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