Mean DDPic3
Median, when n is odd DDPic4
Median, when n is even DDPic5
Mode = Most frequently occuring value
Standard deviation DDPic6

 

Reference: http://www.mhnederlof.nl/distributionparameters.html

 

Places you can learn statistics online:

http://stattrek.com/tutorials/ap-statistics-tutorial.aspx

http://www.udacity.com/course/intro-to-statistics–st101

http://itunes.apple.com/itunes-u/statistics-2-001-fall-2009/id354822870

http://prod-edx-mktg-edit.edx.org/course/analyzing-visualizing-data-excel-microsoft-dat206x-0