Overall Sudoku Game Statistics

What is the meaning of "Median" or "Percentil"?

A median solution time (or the 50th percentil) time of e.g. 10 minutes indicates that
Now you understand the meaning of the 30th percentil: A solution time of e.g. 4.5 minutes for the 30th percentile indicates that
With this understanding you can compare your results with the overall performance - but be careful with a hasty conclusion.
Prerequisite for a comparision is the need for a good statistical basis and that is the availability of a huge amount of Sudokus solved by many different players !
That is not yet achieved at the time being (January 2012).