document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=322458>Question 322458</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I was wondering if I could get some help with this problem:\r<BR>\n" );
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document.write( "A study compared testosterone levels among athletes in four sports: soccer, track, Lacrosse, and water polo. The total sample size was n =30 (10 soccer, 10 track, 5 Lacrosse, and 5 water polo). A one-way analysis of variance was used to compare the population mean levels for the four sports. The sum of squared errors is SS Error = 100. What is the value of the Mean Square Error (MS Error)?<BR>\n" );
document.write( "A) 3.85<BR>\n" );
document.write( "B) 10<BR>\n" );
document.write( "C) 3.45<BR>\n" );
document.write( "Do I take the df of sample size n=30 and the SS error to make it 100/29(n=30-1)= 3.45 or do I take the df of the number of sports and the sample size 30/3 (4 sports-1=3)= 10?<BR>\n" );
document.write( "Thanks for all your help!!<BR>\n" );
document.write( "Kim </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #230904 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=230904\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A study compared testosterone levels among athletes in four sports: soccer, track, Lacrosse, and water polo. <BR>\n" );
document.write( "The total sample size was n =30 (10 soccer, 10 track, 5 Lacrosse, and 5 water polo). <BR>\n" );
document.write( "A one-way analysis of variance was used to compare the population mean levels for the four sports. The sum of squared errors is SS Error = 100. What is the value of the Mean Square Error (MS Error)?<BR>\n" );
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document.write( "MS(error) = SS(error)/(N-k) where N = # of values in all samples = 30<BR>\n" );
document.write( "and k = # of means being compared = 4<BR>\n" );
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document.write( "MS(error) = 100/(30-4) = 100/26 = 3.85<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "A) 3.85<BR>\n" );
document.write( "B) 10<BR>\n" );
document.write( "C) 3.45<BR>\n" );
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