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.
Discrete random variable standard deviation calculator
You can enter the probability or the weight and the data number in all the rows.
Calculation for Whole population standard deviation
The value Population mean is apparently equal to,
The value of Population standard deviation is apparently equal to,
Sampled data standard deviation calculation
The value of the Sample mean can be find with the help of the formula provided,
The formula to calculate sample standard deviation,
Calculation for discrete random variable standard deviation
The value of the Random variable mean is apparently equal to,
The value of Discrete random variable standard deviation is apparently equal to,