Links
| Statistic | Short Description | Link |
|---|---|---|
| N | Number of records (or observations) | |
| Range | The difference between the minimum and maximum | |
| Minimum | The smallest record | |
| Maximum | The biggest record | |
| Sum | All the records added together | |
| Mean | The average of the records (sum/N) | http://www.robertniles.com/stats/mean.shtml |
| Std. Error | ||
| Std. | The average of the average. Tells how clustered numbers are around their group mean. | http://www.robertniles.com/stats/stdev.shtml |
| Variance | Total dispersion around the mean. Not used as much as standard deviation, which is the square root of variance | http://en.wikipedia.org/wiki/Variance |
| Skewness | how much is the data clustered in a symmetrical fashion around the mean. | http://www.riskglossary.com/link/skewness.htm |
| Kurtosis | how much of the data is closely clustered around the mean. | http://www.riskglossary.com/link/kurtosis.htm |
| Median | http://www.robertniles.com/stats/median.shtml | |
