document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=176113>Question 176113</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Just not sure how to get started. I think that once I do, I will be fine. \r<BR>\n" );
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document.write( "F = 1.8 °C + 32.0\r<BR>\n" );
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document.write( "The following data were calculated in this way: \r<BR>\n" );
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document.write( "Temperature  °F <BR>\n" );
document.write( " Miles east from starting point <BR>\n" );
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document.write( "85.2 <BR>\n" );
document.write( " 0 <BR>\n" );
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document.write( "84.5 <BR>\n" );
document.write( " 15<BR>\n" );
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document.write( "83.6 <BR>\n" );
document.write( " 25 <BR>\n" );
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document.write( "Provide a plot of temperature versus distance east. Based on its appearance, is it a good linear model for predicting temperature as a function of distance? <BR>\n" );
document.write( "Use the graph to determine the expected temperature at 75 miles east,  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #131537 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=131537\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Graph the data using distance east as x axis (start at 0 and go to 75 at least) and temperature as the y axis. <BR>\n" );
document.write( "Then see if you can fit a straight line through the data. <BR>\n" );
document.write( "If so, then it is a good linear model. <BR>\n" );
document.write( "Look at your straight line and read off the value at x=75. That will be the expected temperature at 75 miles east. <BR>\n" );
document.write( "Please post another question if you get stuck. <BR>\n" );
document.write( "I'll start you off here plotting (0,85.2)<BR>\n" );
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