Standard Deviation Calculator

Standard Deviation Calculator

All your calculations have now become easy with Standard deviation (σ) calculator, calculate your mean value & variance online.

Population & sampled standard deviation calculator

To calculate, enter the data values, delimited with the  spaces or with the commas and hit the calculate button.

[Math_m_Standard_Deviation_Calculator]

Discrete random variable standard deviation calculator

You can enter the probability or the weight and the data number in all the rows.

[Math_m_Standard_Deviation_Calculator2]

Calculation for Whole population standard deviation

The value Population mean is apparently equal to,

population mean

The value of Population standard deviation is apparently equal to,

population standard deviation

Sampled data standard deviation calculation

The value of the Sample mean can be find with the help of the formula provided,

Sample mean

The formula to calculate sample standard deviation,

Sample standard deviation

Calculation for discrete random variable standard deviation

The value of the Random variable mean is apparently equal to,

random variable mean

The value of Discrete random variable standard deviation is apparently equal to,

random standard deviation

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