document.write( "Question 602833: What is the variance of the following data? If necessary, round your answer to two decimal places.
\n" ); document.write( "48, 65, 57, 54, 61, 57, 52, 61, 57 \n" ); document.write( "
Algebra.Com's Answer #380429 by AnlytcPhil(1806)\"\" \"About 
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48, 65, 57, 54, 61, 57, 52, 61, 57
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document.write( "      x          x²\r\n" );
document.write( "     48        2304  \r\n" );
document.write( "     65        4225\r\n" );
document.write( "     57        3249\r\n" );
document.write( "     54        2916\r\n" );
document.write( "     61        3721\r\n" );
document.write( "     57        3249\r\n" );
document.write( "     52        2704\r\n" );
document.write( "     61        3721\r\n" );
document.write( "     57        3249\r\n" );
document.write( "\"sum%28x%29\"=512 \"sum%28x%5E2%29\"=29338 \r\n" );
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document.write( "s² = \"1%2F%28n-1%29\"\"%28sum%28x%5E2%29-expr%281%2Fn%29%2A%28sum%28x%29%29%5E2%29\" = \"1%2F%289-1%29\"\"%2829338-expr%281%2F9%29%2A%28512%29%5E2%29\" = \"1%2F8\"\"%2829338-expr%281%2F9%29%2A262144%29\" = \"949%2F36\" = 26.36111111\r\n" );
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document.write( "Edwin
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