In this free online video, students discover an improved technique for statistical problems that involves a population mean: the t statistic for use when sigma is not known. Emphasis is on paired samples and the t confidence test and interval. The program covers the precautions associated with these robust t procedures, along with their distribution characteristics and broad applications."
Against All Odds: Inside Statistics
Windows media player, broadband connection, Java script enabled
Source Code Available:
Source Code Available
Intended User Role:
Free for Nonprofits