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
18

Data index
1 to 18

Sum of all given data
13245.6295

Arithmetic mean of population or sample
735.86830555556

 Sum of squares of all differences from mean 
208719.89202863

Population variance
11595.549557146

Population standard deviation
± 107.68263349838

Sample variance
12277.640707566

Sample standard deviation
± 110.80451573635