Posted by Bob on Wednesday, May 26, 2010 at 12:54am.
If you were in a cafeteria full of students and you wanted to randomly divide 10 students into group A and 10 students into group B, what would be the least biased way to do it?

Statistics  Data Collection  Bob, Wednesday, May 26, 2010 at 1:17am
Specifically for a two sample t test on difference in means with a matchedpairs design. What would the stepbystep process be for a simple random sample from the cafeteria population?

Statistics  Data Collection  PsyDAG, Wednesday, May 26, 2010 at 10:39am
Which do you want, a random sample or matched pairs?
http://stattrek.com/APStatistics2/ExperimentalDesign.aspx?Tutorial=AP
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