Standard Deviation and Variance Statistics Calculator
Jay Tanner - 2019

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
46

Data index
1 to 46

Sum of all given data
2346.58368

Arithmetic mean of population or sample
51.012688695652

 Sum of squares of all differences from mean 
18.046924906122

Population variance
0.39232445448091

Population standard deviation
± 0.62635808806218

Sample variance
0.40104277569159

Sample standard deviation
± 0.63327938201997
 
Download this PHP 7 Program: 30.3 kb - Standard Deviation Calculator