document.write( "Question 473581: What is the variance ?
\n" ); document.write( "What is the standard deviation of the scores?\r
\n" ); document.write( "\n" ); document.write( "10|0
\n" ); document.write( "9 |2,4,5
\n" ); document.write( "8 |1,2,7,9
\n" ); document.write( "7 |1,2,8
\n" ); document.write( "6 |1,2,8
\n" ); document.write( "5 |1,5
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Algebra.Com's Answer #324821 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "10|0\r\n" );
document.write( " 9|2,4,5\r\n" );
document.write( " 8|1,2,7,9\r\n" );
document.write( " 7|1,2,8\r\n" );
document.write( " 6|1,2,8\r\n" );
document.write( " 5|1,5\r\n" );
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document.write( "In this stem-and-leaf diagram,\r\n" );
document.write( "The first digit(s) is left of the\r\n" );
document.write( "vertical line and the last digit is on \r\n" );
document.write( "the right of it, so, putting the digits \r\n" );
document.write( "together we have this set of data:\r\n" );
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document.write( "100,\r\n" );
document.write( "92,94,95\r\n" );
document.write( "81,82,87,89\r\n" );
document.write( "71,72,78\r\n" );
document.write( "61,62,68\r\n" );
document.write( "51,55\r\n" );
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document.write( "Variance =  = 228.9166667\r\n" );
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document.write( "Standard deviation = =15.12999229\r\n" );
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document.write( "Edwin

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