document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=664366>Question 664366</A>: <I><SPAN STYLE=\"word-break: break-all;\"> . For the table that follows, answer the following questions:<BR>\n" );
document.write( "x	y<BR>\n" );
document.write( "1	1<BR>\n" );
document.write( "2	4<BR>\n" );
document.write( "3	7<BR>\n" );
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document.write( "-  Would the correlation between x and y in the table above be positive or negative?<BR>\n" );
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document.write( "-  Find the missing value of y in the table.<BR>\n" );
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document.write( "-  How would the values of this table be interpreted in terms of linear regression?<BR>\n" );
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document.write( "-  If a “line of best fit” is placed among these points plotted on a coordinate system, would the slope of this line 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 #413301 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=413301\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> for every increase of 1 in x, here is a corresponding increase of 3 in y.\r<BR>\n" );
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document.write( "this is a positive correlation.\r<BR>\n" );
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document.write( "the slope of the regression line would be equal to 3.\r<BR>\n" );
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document.write( "the slope of the regression line would be positive.\r<BR>\n" );
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document.write( "the missing value is y = 10 when x = 4.\r<BR>\n" );
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document.write( "the regression line equation would be y = 3x - 2\r<BR>\n" );
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document.write( "when x is equal to 1, y is equal to 3 * 1 - 2 = 3 - 2 = 1<BR>\n" );
document.write( "when x is equal to 2, y is equal so 3 * 2 - 2 = 6 - 2 = 4<BR>\n" );
document.write( "etc...\r<BR>\n" );
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