document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=134267>Question 134267</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please assist, No ISBN number due to being an online course.<BR>\n" );
document.write( "An expert in a case alleged racial discrimination in a state university school of nursing introduced a regression of the determination of Salary of each professor for each year during an 8-year period (n=423) with the following results, with dependent variable Year (year in which the salary was observed) and predictors YearHire (year when the individual was hired), Race (1 if individual is black, 0 otherwise), and Rank (1 if individual is an assistant professor, 0 otherwise). <BR>\n" );
document.write( "Interpret these results\r<BR>\n" );
document.write( "\n" );
document.write( "Variable=Intercept, Coefficient= -3,816,521, t= -29.4, p= .000<BR>\n" );
document.write( "Variable=Year, Coefficient= 1,948, t= 29.8, p= .000<BR>\n" );
document.write( "Variable=Year/Hire, Coefficient= -826, t= -5.5, p= .000<BR>\n" );
document.write( "Variable=Race, Coefficient= -2,093, t= -4.3, p= .000<BR>\n" );
document.write( "Variable=Rank, Coefficient= -6,438, t= -22.3, p= .000\r<BR>\n" );
document.write( "\n" );
document.write( "R2=0.811, R2adj=0.809, s=3,318\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #98278 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=98278\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An expert in a case alleged racial discrimination in a state university school of nursing introduced a regression of the determination of Salary of each professor for each year during an 8-year period (n=423) with the following results, with dependent variable Year (year in which the salary was observed) and predictors YearHire (year when the individual was hired), Race (1 if individual is black, 0 otherwise), and Rank (1 if individual is an assistant professor, 0 otherwise). <BR>\n" );
document.write( "Interpret these results <BR>\n" );
document.write( "Variable=Intercept, Coefficient= -3,816,521, t= -29.4, p= .000<BR>\n" );
document.write( "Variable=Year, Coefficient= 1,948, t= 29.8, p= .000<BR>\n" );
document.write( "Variable=Year/Hire, Coefficient= -826, t= -5.5, p= .000<BR>\n" );
document.write( "Variable=Race, Coefficient= -2,093, t= -4.3, p= .000<BR>\n" );
document.write( "Variable=Rank, Coefficient= -6,438, t= -22.3, p= .000 <BR>\n" );
document.write( "R2=0.811, R2adj=0.809, s=3,318 <BR>\n" );
document.write( "----------------------------------------------------<BR>\n" );
document.write( "Comment/Request: Tell me if this makes any sense.<BR>\n" );
document.write( "The regression equation is <BR>\n" );
document.write( "1948Year = -3,816.521 -826(year/hire)-2093(Race variable))<BR>\n" );
document.write( "-6438(Rank variable)<BR>\n" );
document.write( "Since p = 0 for all these coefficients you can have statistically<BR>\n" );
document.write( "NO confidence in this regression equation.<BR>\n" );
document.write( "R^2=0.811 means 81% of the variability in \"Year\" can be predicted<BR>\n" );
document.write( "from the variables year/hire, race, and rank.<BR>\n" );
document.write( "R^2 adjusted is such a slight improvement of R^2 it makes no difference.<BR>\n" );
document.write( "s is the standard deviation of the sample; being so large it shows<BR>\n" );
document.write( "unpreditable the equation results are.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );