document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=229919>Question 229919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a marketing class, 44 student members of virtual project teams (group1) and 42 members of face-to-face project teams (group2) were asked to respond on a 1-5 scale to the question: “As compared to other teams, the members helped each others.” For group 1 the mean was a standard deviation of 0.97, while for group 2 the mean was 1.90 with a standard deviation of 0.91. At alfa = .01, is the virtual team mean significantly higher?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #170349 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=170349\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In a marketing class, 44 student members of virtual project teams (group1) and 42 members of face-to-face project teams (group2) were asked to respond on a 1-5 scale to the question: “As compared to other teams, the members helped each others.” <BR>\n" );
document.write( "For group 1 the mean was a standard deviation of 0.97, while <BR>\n" );
document.write( "for group 2 the mean was 1.90 with a standard deviation of 0.91. <BR>\n" );
document.write( "At alfa = .01, is the virtual team mean significantly higher?<BR>\n" );
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document.write( "Ho: u(vert)-u(face) = 0<BR>\n" );
document.write( "Ha: u(vert)-u(face) > 0<BR>\n" );
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document.write( "Comment: The mean for group 1 is missing so the problem<BR>\n" );
document.write( "cannot be worked.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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