document.write( "Question 397392: A contingency table is made up of 8 rows and 4 columns. How many degrees of
\n" ); document.write( "freedom are present?
\n" ); document.write( "A) 24 B) 21 C) 28 D) 32 \n" ); document.write( "

Algebra.Com's Answer #452673 by mathdummy71(1) $\"\"$ $\"About$

You can put this solution on YOUR website!
in an A by B contingency table, DF=(A-1)(B-1)
\n" ); document.write( "In this case A=8 and B=4 and you answer is 7*3=21 \n" ); document.write( "

\n" );