þÿ<html> <head> <title>Recta de Regress&#227;o - GeoGebra Planilha din&#226;mica</title> <meta name="generator" content="GeoGebra"> <style type="text/css"><!--body { font-family:Helvetica,sans-serif; margin-left:40px }--></style><body background="../eureka10.jpg" bgcolor="#CCFFFF"></head> <body> <table border="0" width="1111"> <tr><td> <h2>Recta de Regress&#227;o</h2> <p> Movimenta os pontos da nuvem e analisa os valores do coeficiente de correla&#231;&#227;o, r, e os par&#226;metros, a e b, que definem recta de correla&#231;&#227;o.</p> <applet code="geogebra.GeoGebraApplet" codebase="./" archive="../java/geogebra.jar" width="800" height="500"> <param name="filename" value="regressao_worksheet.ggb"><param name=bgcolor value="#FFFFFF"> <param name="framePossible" value="true"> Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and activated. (<a href="http://java.sun.com/getjava">click here to install Java now</a>) </applet> <p> 1) Encontra uma nuvem de pontos com coeficiente de correla&#231;&#227;o igual a:<br/> a) 1;<br/> b) 0;<br/> c) -1.<br/> 2) Movimenta os pontos de modo que a recta de correla&#231;&#227;o tenha equa&#231;&#227;o y=2x.</p> <p><span style="font-size:small">Jos&#233; Manuel Dos Santos Dos Santos, Criado com <a href="http://www.geogebra.at" target="_blank" >GeoGebra</a></span></p></td></tr> </table></body> </html>