document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=140897>Question 140897</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 13.30\r<BR>\n" );
document.write( "\n" );
document.write( "A researcher used stepwise regression to create regression models to predict Birth Rate (births per 1,000) using five predictors: Life Exp (life expectancy in years), InfMort (infant mortality rate), Density (population density per square kilometer), GDPCap (Gross Domestic Product per capita), and Literate (literacy percent). Interpret these results. <BR>\n" );
document.write( "	<BR>\n" );
document.write( "Regression Analysis—Stepwise Selection (best model of each size)\r<BR>\n" );
document.write( "\n" );
document.write( "153 observations<BR>\n" );
document.write( "Birth Rate is the dependent variable\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "p-values for the coefficients\r<BR>\n" );
document.write( "\n" );
document.write( "Nvar      Life Exp   InfMort  Density     GDPCap    Literate   s   Adj R2     R2<BR>\n" );
document.write( "1 .0000 =(infmort) 6.318=(s)  .722=(adjr2) .724=(r2)\r<BR>\n" );
document.write( "\n" );
document.write( "2 .0000= (infmort).0000=(literate) 5.334=(s) .802=(adjr2) .805=(r2)\r<BR>\n" );
document.write( "\n" );
document.write( "3 .0000 =(infmort).0242=(gdpcap) .0000=(literate) 5.261=(s) .807=(adjr2) .811=(r2)\r<BR>\n" );
document.write( "\n" );
document.write( "4 .5764=(lifeexp) .0000=(Infmort) .0311=(gdpcap) .0000=(literate) 5.273=(s) .806=(adjr2) .812= (r2)\r<BR>\n" );
document.write( "\n" );
document.write( "5 .5937=(lifeexp) .0000=(infmort) .6289=(density) .0440=(gdpcap) .0000=(literate) 5.287=(s) .805=(adjr2) .812=(r2)\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102684 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=102684\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A complete interpretation of a stepwise regression display can<BR>\n" );
document.write( "be found at the bottom of page 591 of your text. The display is<BR>\n" );
document.write( "on the following page.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );