PHP Program by Jay Tanner
Simply enter the delimited numerical data table/string 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 table.
| Statistics Computed From The Above Data Table | |
| Mathematical Expression | Numerical Evaluation |
 Data elements count | 73 |
 Data element index | 1 to 73 |
 th indexed value of ( ) within the data table | 1 to 73 |
 Sum of all given numerical data | 2243.67 Sum of All Data |
 Arithmetic mean (average) of sample or population | 30.735205479452 Arithmetic Mean |
 Sum of squares of all differences from the mean | 142.304121917808 |
 Sample variance | 1.976446137747 Sample Variance |
 Standard deviation within sample | ± 1.405861350826 Sample Standard Deviation |
 Population variance | 1.949371533121 Population Variance |
 Standard deviation within population | ± 1.396198959003 Population Standard Deviation |