document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1196543>Question 1196543</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Assessment 4\r<BR>\n" );
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document.write( "When testing for independence in a contingency table with 4 rows and 4 columns, there are _____________ degrees of freedom.\r<BR>\n" );
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document.write( "a.<BR>\n" );
document.write( "6<BR>\n" );
document.write( "b.<BR>\n" );
document.write( "7<BR>\n" );
document.write( "c.<BR>\n" );
document.write( "9<BR>\n" );
document.write( "d.<BR>\n" );
document.write( "5<BR>\n" );
document.write( "e.<BR>\n" );
document.write( "4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #829425 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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=829425\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "r = number of rows = 4<BR>\n" );
document.write( "c = number of columns = 4\r<BR>\n" );
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document.write( "df = degrees of freedom<BR>\n" );
document.write( "df = (r-1)*(c-1)<BR>\n" );
document.write( "df = (4-1)*(4-1)<BR>\n" );
document.write( "df = 3*3<BR>\n" );
document.write( "df = 9\r<BR>\n" );
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document.write( "Answer: There are 9 degrees of freedom<BR>\n" );
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