document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1182201>Question 1182201</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Below is a table showing the weights of packages arriving at a post office during a day. \r<BR>\n" );
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document.write( "Find the sample variance.\r<BR>\n" );
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document.write( "Weight (kg)\r<BR>\n" );
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document.write( "frequency\r<BR>\n" );
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document.write( "5\r<BR>\n" );
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document.write( "130\r<BR>\n" );
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document.write( "15\r<BR>\n" );
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document.write( "200\r<BR>\n" );
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document.write( "25\r<BR>\n" );
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document.write( "250\r<BR>\n" );
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document.write( "35\r<BR>\n" );
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document.write( "200\r<BR>\n" );
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document.write( "45\r<BR>\n" );
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document.write( "150\r<BR>\n" );
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document.write( "55\r<BR>\n" );
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document.write( "120\r<BR>\n" );
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document.write( "a.<BR>\n" );
document.write( "493.06\r<BR>\n" );
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document.write( "b.<BR>\n" );
document.write( "28.8\r<BR>\n" );
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document.write( "c.<BR>\n" );
document.write( "351.68\r<BR>\n" );
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document.write( "d.<BR>\n" );
document.write( "288.88\r<BR>\n" );
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document.write( "e.<BR>\n" );
document.write( "293.06 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #812539 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52790)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=812539\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "Use an online free of charge calculator\r<BR>\n" );
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document.write( "https://miniwebtool.com/sample-variance-calculator/\r<BR>\n" );
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document.write( "You will find there all necessary formulas and explanations, &nbsp;too.\r<BR>\n" );
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document.write( "Happy calculations &nbsp;(&nbsp;!&nbsp;)\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;E N J O Y (!)\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );