document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184824>Question 1184824</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What are the characteristics of a quadratic regression? </SPAN>\n" );
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document.write( "Quadratic regression is a type of multiple linear regression by which the equation of a parabola of '<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=best ALIGN=MIDDLE  ALT=\"best\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+fit ALIGN=MIDDLE  ALT=\"+fit\"   DISABLED_style= \"max-width:90%; height:auto;\" >' is found for a set of data. Draw a second degree polynomial with polynomial regression for the given data set.\r<BR>\n" );
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document.write( "A quadratic regression is the process of finding the equation of the parabola that best fits a set of data. As a result, we get an equation of the form:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y=ax%5E2%2Bbx%2Bc ALIGN=MIDDLE  ALT=\"+y=ax%5E2%2Bbx%2Bc\"   DISABLED_style= \"max-width:90%; height:auto;\" > where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a ALIGN=MIDDLE  ALT=\"a\"   DISABLED_style= \"max-width:90%; height:auto;\" >≠<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0 ALIGN=MIDDLE  ALT=\"0\"   DISABLED_style= \"max-width:90%; height:auto;\" > . <BR>\n" );
document.write( "The best way to find this equation manually is by using the least squares method. </SPAN>\n" );
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