document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1174172>Question 1174172</A>: <I><SPAN STYLE=\"word-break: break-all;\">  6. The number of visitors to a cycle track and the number of drinks sold by a café at the<BR>\n" );
document.write( "location are recorded in the table below.<BR>\n" );
document.write( "Number of<BR>\n" );
document.write( "visitors<BR>\n" );
document.write( "32 45 39 43 58 84 65<BR>\n" );
document.write( "Drinks sold 17 20 23 7 24 49 38<BR>\n" );
document.write( "a. Identify the dependent and independent variable. <BR>\n" );
document.write( "b. Calculate the correlation coefficient and comment on the value of r. <BR>\n" );
document.write( "c. Calculate the regression line equation. <BR>\n" );
document.write( "d. Using the equation, estimate the number of drinks that will be sold, if there are 50<BR>\n" );
document.write( "visitors on a particular day.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #799571 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</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=799571\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "(1)  &nbsp;&nbsp;Go to &nbsp;&nbsp;GOOGLE\r<BR>\n" );
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document.write( "(2)  &nbsp;&nbsp;Input &nbsp;\"correlation coefficient online solver\" &nbsp;in the &nbsp;GOOGLE &nbsp;search line\r<BR>\n" );
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document.write( "(3) &nbsp;&nbsp;Run &nbsp;GOOGLE &nbsp;search engine.\r<BR>\n" );
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document.write( "(4) &nbsp;&nbsp;Look into numerous web-sites that &nbsp;GOOGLE &nbsp;will offer to you.\r<BR>\n" );
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document.write( "(5) &nbsp;&nbsp;Select which one looks the best to you.\r<BR>\n" );
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document.write( "(6) &nbsp;&nbsp;Read the instructions of this web-site.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;By the way, good web-sites even present the full theory to their calculations.\r<BR>\n" );
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document.write( "(7) &nbsp;&nbsp;Input your data into the solver.\r<BR>\n" );
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document.write( "(8) &nbsp;&nbsp;Get the answer and do everything you need with it.\r<BR>\n" );
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document.write( "---------------\r<BR>\n" );
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document.write( "After completing reading my instructions, &nbsp;post your deepest &nbsp;\"THANKS\" &nbsp;to me <BR>\n" );
document.write( "for my teaching and for these super-universal and super-useful instructions. \r<BR>\n" );
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document.write( " </SPAN>\n" );
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