document.write( "Question 1039302: Calculate arithmetic mean from the following data by shortcut method:
\n" ); document.write( " Marks |No. of students
\n" ); document.write( "Below 10 | 4
\n" ); document.write( "10-20 | 6
\n" ); document.write( "20-30 | 10
\n" ); document.write( "30-40 | 15
\n" ); document.write( "40-50 | 8
\n" ); document.write( "Above 50 | 7
\n" ); document.write( "

Algebra.Com's Answer #654499 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
\"%284%2A5%2B6%2A15%2B10%2A25%2B15%2A35%2B8%2A45%2B55%2A7%29%2F50+=+1630%2F50=32.6\" \n" ); document.write( "
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