Standard Deviation and Variance Statistics Calculator
Jay Tanner - 2022

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.  Copy/Paste/Replace with your own data.







Statistics Computed From The Above Data Table
Mathematical Expression Numerical Evaluation 

Data count
36

Data index
1 to 36

Sum of all given data
24405.195874

Arithmetic mean of population or sample
677.92210761111

 Sum of squares of all differences from mean 
8.8578723047427

Population variance
0.24605200846508

Population standard deviation
± 0.49603629752779

Sample variance
0.25308206584979

Sample standard deviation
± 0.50307262482647
 
Download this PHP 7 Program: 30.3 kb - Standard Deviation Calculator