document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=360067>Question 360067</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Construct a scatterplot for the (x, y) values below, and answer the following questions.  You do NOT need to submit your scatterplot with your answer; however, show all other work. x<BR>\n" );
document.write( " y<BR>\n" );
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document.write( "1<BR>\n" );
document.write( " 7.0<BR>\n" );
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document.write( "2<BR>\n" );
document.write( " 13.0<BR>\n" );
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document.write( "3<BR>\n" );
document.write( " 19.0<BR>\n" );
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document.write( "4<BR>\n" );
document.write( " 25.0<BR>\n" );
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document.write( "5<BR>\n" );
document.write( " 31.0<BR>\n" );
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document.write( "-                      What would be the slope of this regression line?<BR>\n" );
document.write( "-                      Would the correlation between x and y be positive or negative?<BR>\n" );
document.write( "-                      How would you interpret these data in terms of linear regression?<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 #256917 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=256917\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-2%2C10%2C-10%2C40%2Cgrid%281%29%2C%0D%0Acircle%281%2C7.0%2C0.3%29%2C%0D%0Acircle%282%2C13.0%2C0.3%29%2C%0D%0Acircle%283%2C19.0%2C0.3%29%2C%0D%0Acircle%284%2C25.0%2C0.3%29%2C%0D%0Acircle%285%2C31.0%2C0.3%29%2C%0D%0Agraph%28300%2C300%2C-2%2C10%2C-10%2C40%2C0%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "The data exactly fit a straight line.<BR>\n" );
document.write( "Use two points to calculate the slope.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%2831-7%29%2F%285-1%29=24%2F4=6 ALIGN=MIDDLE  ALT=\"m=%2831-7%29%2F%285-1%29=24%2F4=6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then use the point-slope form of a line, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-y%5Bp%5D=m%28x-x%5Bp%5D%29 ALIGN=MIDDLE  ALT=\"y-y%5Bp%5D=m%28x-x%5Bp%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > with any point.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-7=6%28x-1%29 ALIGN=MIDDLE  ALT=\"y-7=6%28x-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-7=6x-6 ALIGN=MIDDLE  ALT=\"y-7=6x-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=6x%2B1%29 ALIGN=MIDDLE  ALT=\"highlight%28y=6x%2B1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-2%2C10%2C-10%2C40%2Cgrid%281%29%2C%0D%0Acircle%281%2C7.0%2C0.3%29%2C%0D%0Acircle%282%2C13.0%2C0.3%29%2C%0D%0Acircle%283%2C19.0%2C0.3%29%2C%0D%0Acircle%284%2C25.0%2C0.3%29%2C%0D%0Acircle%285%2C31.0%2C0.3%29%2C%0D%0Agraph%28300%2C300%2C-2%2C10%2C-10%2C40%2C0%2C6x%2B1%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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