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 Message Boards » » Stat question from Chit Chat Page [1]  
Phil LOLlins
All American
1402 Posts
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mebbe here would be a better place

$ if you can answer it and explain

Your teacher has decided to put 30 subjects in group one and 90 subjects in group 2 for her dissertation. Assuming the standard deviations are approx the same in both groups, what would be the least # of subjects in each group that you could use and get a standard error of the statistic |x1 - |x2 that is equal to your teacher's standard error?

12/5/2006 7:07:46 PM
graywolf
Starting Lineup
96 Posts
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see chit chat

12/5/2006 7:34:16 PM
insanity
All American
758 Posts
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the answer is obviously C

12/5/2006 7:37:45 PM
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