document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=188924>Question 188924</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having some trouble with my Statistics homework, could some one please help me I have completed the chart but I am stuck on the rest.I am not sure if the the r is right. I am very gratful for your help.\r<BR>\n" );
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document.write( "x<BR>\n" );
document.write( "8<BR>\n" );
document.write( "2.1<BR>\n" );
document.write( "1.3<BR>\n" );
document.write( "1<BR>\n" );
document.write( "11.5<BR>\n" );
document.write( "5.3<BR>\n" );
document.write( "3.8<BR>\n" );
document.write( "24.3<BR>\n" );
document.write( "Ex= 57.3\r<BR>\n" );
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document.write( "y<BR>\n" );
document.write( "30<BR>\n" );
document.write( "12<BR>\n" );
document.write( "6<BR>\n" );
document.write( "3<BR>\n" );
document.write( "25<BR>\n" );
document.write( "12<BR>\n" );
document.write( "10<BR>\n" );
document.write( "40<BR>\n" );
document.write( "Ey=138\r<BR>\n" );
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document.write( "xy<BR>\n" );
document.write( "240<BR>\n" );
document.write( "25.2<BR>\n" );
document.write( "7.8<BR>\n" );
document.write( "3<BR>\n" );
document.write( "287.5<BR>\n" );
document.write( "63.6<BR>\n" );
document.write( "38<BR>\n" );
document.write( "972<BR>\n" );
document.write( "Exy= 1,637.1\r<BR>\n" );
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document.write( "x2<BR>\n" );
document.write( "64<BR>\n" );
document.write( "4.41<BR>\n" );
document.write( "1.69<BR>\n" );
document.write( "1<BR>\n" );
document.write( "132.25<BR>\n" );
document.write( "28.09<BR>\n" );
document.write( "14.44<BR>\n" );
document.write( "590.49<BR>\n" );
document.write( "Ex(2)= 836.37\r<BR>\n" );
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document.write( "y2<BR>\n" );
document.write( "900<BR>\n" );
document.write( "144<BR>\n" );
document.write( "36<BR>\n" );
document.write( "9<BR>\n" );
document.write( "625<BR>\n" );
document.write( "144<BR>\n" );
document.write( "100<BR>\n" );
document.write( "1600<BR>\n" );
document.write( "Ey(2)= 3558\r<BR>\n" );
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document.write( "Use the last row of the table to show the column totals.<BR>\n" );
document.write( "n = 8\r<BR>\n" );
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document.write( "Use the last row of the table to show the column totals.<BR>\n" );
document.write( "n = 8\r<BR>\n" );
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document.write( "r = 0.915931\r<BR>\n" );
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document.write( "Using the r calculated in problem  the significance of the correlation coefficient using &#61537; = 0.01 and the claim p  &#8800; 0.      <BR>\n" );
document.write( "Answer:<BR>\n" );
document.write( "1.  H0 :  p = 0<BR>\n" );
document.write( "Ha :  p &#8800;0<BR>\n" );
document.write( "2.  &#61537; = 0.01<BR>\n" );
document.write( "3.  Find t<BR>\n" );
document.write( "4.  t0 = <BR>\n" );
document.write( "5.  Rejection region: <BR>\n" );
document.write( "6.  Decision: <BR>\n" );
document.write( "7.  Interpretation: \r<BR>\n" );
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document.write( "I would like to thank you in advance for all your help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #141710 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=141710\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> n = 8 <BR>\n" );
document.write( "r = 0.915931 <BR>\n" );
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document.write( "I ran a LinReg program against the x/y values and found r = 0.9159<BR>\n" );
document.write( "which is sam value you found.<BR>\n" );
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document.write( "Using the r calculated in problem the significance of the correlation coefficient using alpha = 0.01 and the claim rho &#8800; 0. <BR>\n" );
document.write( "Answer:<BR>\n" );
document.write( "1. Ho : rho = 0<BR>\n" );
document.write( "Ha : rho &#8800;0<BR>\n" );
document.write( "2. alpha = 0.01<BR>\n" );
document.write( "3. Find t = r/sqrt[(1-r^2)(n-2)] = (0.9159)/sqrt[(1-0.9159)^2/(8-2)]<BR>\n" );
document.write( "= 5.4891<BR>\n" );
document.write( "4. to = 0.834 <BR>\n" );
document.write( "5. Rejection region: t > 0.834 <BR>\n" );
document.write( "6. Decision: Since t > to reject Ho.<BR>\n" );
document.write( "7. Interpretation: There is a linear relation between x and y.<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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