document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=806849>Question 806849</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A linear model for a set of data was y= -20.6 + 9.72x and produced the following residual plot: [Xscl=1, Yscl=5] \r<BR>\n" );
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document.write( "a) Predict the value of y when x= 7.5. <BR>\n" );
document.write( "b) Determine the residual if x= 5.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #486060 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=486060\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A linear model for a set of data was y= -20.6 + 9.72x and produced the following residual plot: [Xscl=1, Yscl=5] <BR>\n" );
document.write( "a) Predict the value of y when x= 7.5.<BR>\n" );
document.write( "f(7.5) = -20.6 + 9.72*7.5 = 52.3<BR>\n" );
document.write( "Note: That is the predicted value for y when x = 7.5<BR>\n" );
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document.write( "b) Determine the residual if x= 5. <BR>\n" );
document.write( "Need to know the predicted value f(5) and the actual point (5,?)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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