Asked by Bob

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?
Answered by Bob
Specifically for a two sample t test on difference in means with a matched-pairs design. What would the step-by-step process be for a simple random sample from the cafeteria population?
Answered by PsyDAG
Which do you want, a random sample or matched pairs?

http://stattrek.com/AP-Statistics-2/Experimental-Design.aspx?Tutorial=AP
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