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November 23, 2014

November 23, 2014

Posted by **Carma** on Tuesday, September 11, 2007 at 4:26pm.

A student organization plans to ask 100 randomly selected students how much they spent

on textbooks last semester. You argue for a sample of 900 students instead of 100. You

know the standard deviation of the sample mean x of the amounts spent will differ. How

will the standard deviation of the larger sample compare with that of the smaller sample?

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