Standard Deviation and Variance Statistics Calculator
v2.1 - Jay Tanner - 2018

Simply enter the delimited numerical data string/table and click [COMPUTE].
The numerical data elements can be separated by commas, spaces or semicolons.

The initial example data is randomly generated.  Replace with your own data table.








Statistics Computed From The Data Given Above
Mathematical Expression Numerical Evaluation 

Data count
39

Data index
1 to 39

Sum of all given data
29283

Arithmetic mean of population or sample
750.84615384615

 Sum of squares of all differences from mean 
808643.07692308

Population variance
20734.437869822

Population standard deviation
± 143.99457583473

Sample variance
21280.08097166

Sample standard deviation
± 145.87693776488