document.write( "Question 869531: Find the appropriate minimum sample size.\r
\n" ); document.write( "\n" ); document.write( "To be able to say with 95% confidence level that the standard deviation of a data set is within 20% of the population's standard deviation, the number of observations within the data set must be greater than or equal to what quantity?
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Algebra.Com's Answer #524247 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( " .20SD = 1.96SD/sqrt(n)
\n" ); document.write( " n = (1.96/.200)^2 = 96.04
\n" ); document.write( "Rounded Up 97
\n" ); document.write( "the number of observations within the data set must be greater than or equal to what quantity? 97 \n" ); document.write( "
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