Variance calculator
Variance calculator and how to calculate.
Population variance and sample variance calculator
Discrete random variable variance calculator
Enter probability or weight and data number in each row:
Whole population variance calculation
Population mean:
![population mean](lib/population-mean.png)
Population variance:
![population variance](lib/population-var.png)
Sampled data variance calculation
Sample mean:
![Sample mean](lib/sample-mean.png)
Sample variance:
![sample variance](lib/sample-var.png)
Discrete random variable variance calculation
Random variable mean:
![random variable mean](lib/random-mean.png)
Random variable variance:
![random variance](lib/random-var.png)
See also