Video lecture for Brase-Brase Understandable Statistics 8 Ed, Ch 9.5
Source: Chalk Dust Productions, Houghton Mifflin Co
Notetaking help for video-lecture Testing Difference of Means - Independent Samples - Unknown Standard Deviation
Source: Myers Linda: Brase-Brase Understandable Statistics Notetaking Guide
Source: ProfSanborne at YouTube: http://www.youtube.com/watch?v=LN2SPvDOIts
Source: cfmathssupport at YouTube: http://www.youtube.com/watch?v=vV0RtkI2jxU
Source: statslectures at YouTube: http://www.youtube.com/watch?v=jyoO4i8yUag