document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1158093>Question 1158093</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Q... random sample of 20 items is selected from a population. To determine the appropriate critical t-value what number of degrees of freedom should be used?....A. 20<BR>\n" );
document.write( "B. 19<BR>\n" );
document.write( "C. 21<BR>\n" );
document.write( "D. 25 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #781020 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=781020\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> degrees of freedom are n-1<BR>\n" );
document.write( "19<BR>\n" );
document.write( "B. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );