document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=648505>Question 648505</A>: <I><SPAN STYLE=\"word-break: break-all;\">  The scatter plot below shows the relationship between pre-test and post-test scores in a Statistics class.  The horizontal axis represents the pre-test scores.  Use this graph to answer the questions below.  <BR>\n" );
document.write( "(The graph is positive and the correlations are in the upper hand corner the points are as follows...(50,60),(55,65),(60,55),(70,70)(75,75),(80,85),(85,90), and (80,95).\r<BR>\n" );
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document.write( "(A)  How would you describe the relationship between pre-test and post-test scores in this class?<BR>\n" );
document.write( "(B)  Approximately what post-test score did the student with a pre-test score of 70 receive?<BR>\n" );
document.write( "(C)  Would the slope of the \"line of best fit\" be positive or negative?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406714 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=406714\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The scatter plot below shows the relationship between pre-test and post-test scores in a Statistics class. The horizontal axis represents the pre-test scores. Use this graph to answer the questions below. <BR>\n" );
document.write( "(The graph is positive and the correlations are in the upper hand corner the points are as follows...(50,60),(55,65),(60,55),(70,70)(75,75),(80,85),(85,90), and (80,95). <BR>\n" );
document.write( "(A) How would you describe the relationship between pre-test and post-test scores in this class?<BR>\n" );
document.write( "They have a positive linear correlation.<BR>\n" );
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document.write( "(B) Approximately what post-test score did the student with a pre-test score of 70 receive?<BR>\n" );
document.write( "Ans: 70<BR>\n" );
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document.write( "(C) Would the slope of the \"line of best fit\" be positive or negative?<BR>\n" );
document.write( "Ans: positive<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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