document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1133616>Question 1133616</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Approximate the mean of the frequency distribution \r<BR>\n" );
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document.write( "1-2.  16<BR>\n" );
document.write( "3-4.   24 <BR>\n" );
document.write( "5-6.   17<BR>\n" );
document.write( "7-8.    20<BR>\n" );
document.write( "9-10.   23 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #750862 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=750862\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Construct the following table<BR>\n" );
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document.write( "class|midpoint|frequency|midpoint*frequency<BR>\n" );
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document.write( "1-2 1.5 16 24<BR>\n" );
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document.write( "3-4 3.5 24 84 <BR>\n" );
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document.write( "5-6 5.5 17 93.5<BR>\n" );
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document.write( "7-8 7.5 20 150 <BR>\n" );
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document.write( "9-10 9.5 23 218.5<BR>\n" );
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document.write( "Sum all the entries for midpoint*frequency<BR>\n" );
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document.write( "Sum(midpoint*frequency) = 24 +84 +93.5 +150 +218.5 = 570<BR>\n" );
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document.write( "Sum all the frequencies<BR>\n" );
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document.write( "Sum(frequencies) = 16 +24 +17 +20  +23 = 100<BR>\n" );
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document.write( "Approximate mean of the frequency distribution = sum(midpoint*frequency)/sum(frequencies) = 570/100 = 5.7<BR>\n" );
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