OpenStax College2017-05-092017-05-092015-06-15http://hdl.handle.net/10790/3129If you use this textbook as a bibliographic reference, then you should cite it as follows: OpenStax College, IntroductoryStatistics. OpenStax College. 19 September 2013. <http://cnx.org/content/col11562/latest/>.Creative Commons AttributionTextbook