document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1116605>Question 1116605</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with calculating Deciles! I have calculated it but my answers seems to be wrong! I do not understand what my mistake is. :(\r<BR>\n" );
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document.write( "a. D1 b. D5 c. D9\r<BR>\n" );
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document.write( "Class Interval-----Frequency-------Cumulative Frequency:\r<BR>\n" );
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document.write( "18-21----4----60<BR>\n" );
document.write( "14-17---16----56<BR>\n" );
document.write( "10-13---20----40<BR>\n" );
document.write( "6-9-----14----20<BR>\n" );
document.write( "2-5-----6------6\r<BR>\n" );
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document.write( "Summation of frequency: 60 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #731504 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=731504\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I need help with calculating Deciles! I have calculated it but my answers seems to be wrong! I do not understand what my mistake is. :(\r<BR>\n" );
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document.write( "a. D1 b. D5 c. D9\r<BR>\n" );
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document.write( "Class Interval-----Frequency-------Cumulative Frequency:\r<BR>\n" );
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document.write( "18-21-------------------4-----------------60<BR>\n" );
document.write( "14-17------------------16-----------------56<BR>\n" );
document.write( "10-13------------------20-----------------40<BR>\n" );
document.write( "6-9--------------------14-----------------20<BR>\n" );
document.write( "2-5---------------------6------------------6<BR>\n" );
document.write( "Summation of frequency: 60<BR>\n" );
document.write( "Decile Formula:: D = LB+[(kN/10 - cfb)/fDk]i<BR>\n" );
document.write( "LB is lower limit of Decile group<BR>\n" );
document.write( "kN is (Decile number)(sum of freqs)<BR>\n" );
document.write( "cfb is sum of frequencies below the Decile group<BR>\n" );
document.write( "fDk is frequency of the Decile group <BR>\n" );
document.write( "i is the width of the Decile group<BR>\n" );
document.write( "D1 = <BR>\n" );
document.write( "Decile group is 2-5;LB = 1.5;dN= 1*60;cfb =0;fDk=6;i=4<BR>\n" );
document.write( "So D1 = 1.5+[(1*60/10-0)/6]4 = 1.5+1*4 = 5.5<BR>\n" );
document.write( "D5 = <BR>\n" );
document.write( "Decile group is 10-13:LB=9.5;dN=5*60;cfb=26;fDk =20; i = 4 <BR>\n" );
document.write( "So D5 = 9.5+[(5*60/10-26)/20]4 = 9.5+(4/20)*4 = 10.3<BR>\n" );
document.write( "D9 =<BR>\n" );
document.write( "Decile group is 10-13;LB = 9.5;dN=9*60;cfb=26;fDk=20;i = 4<BR>\n" );
document.write( "So D9 = 9.5+[(9*60/10-26)/20]4 = 9.5+[28/30]4 = 13.23<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------- </SPAN>\n" );
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