document.write( "Question 137841: Does anyone understand this question?\r
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\n" ); document.write( "\n" ); document.write( "The standard deviation of a distribution is 20. If a sample of 225 is selected, what is the standard error of the mean? \r
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Algebra.Com's Answer #100762 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
The standard deviation of a distribution is 20. If a sample of 225 is selected, what is the standard error of the mean?
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\n" ); document.write( "20/sqrt(225) = 20/15 = 4/3 = 1.33333333....
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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