This is a free online video program. "How to recognize a two-sample problem and how to distinguish such problems from one- and paired-sample situations are the subject of this program. A confidence interval is given for the difference between two means, using the two-sample t statistic with conservative degrees of freedom." This individual video is accessed by scrolling down to the "Individual Program Descriptions - 22. Comparing Two Means" and click the "VOD" icon at the top-right of the description.
Date Record Checked: 2004-03-09 00:00:00