Standard Deviation and Variance Statistics Calculator
v2.1 - Jay Tanner - 2017

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
23

Data index
1 to 23

Sum of all given data
18315

Arithmetic mean of population or sample
796.304347826

 Sum of squares of all differences from mean 
287440.869565

Population variance
12497.4291115

Population standard deviation
± 111.791900921

Sample variance
13065.4940711

Sample standard deviation
± 114.304392178