document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=251655>Question 251655</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a preliminary study of hourly wages paid to unskilled employees in three metropolitian areas was conducted. seven employees were included from area a, 9 from area b and 12 from area c. the test statistic was computed to be 4.91. What can we conclude at the .05 level?\r<BR>\n" );
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document.write( "a. mean hourly wages of unskilled employees all areas are equal<BR>\n" );
document.write( "b. mean hourly wages in at least 2 metropolitian areas are different<BR>\n" );
document.write( "c. more degrees of freedom are needed<BR>\n" );
document.write( "d. none of these are correct </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #183357 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=183357\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A preliminary study of hourly wages paid to unskilled employees in three metropolitian areas was conducted. <BR>\n" );
document.write( "seven employees were included from area a, <BR>\n" );
document.write( "9 from area b and <BR>\n" );
document.write( "12 from area c.<BR>\n" );
document.write( "----- <BR>\n" );
document.write( "the test statistic was computed to be 4.91. <BR>\n" );
document.write( "What can we conclude at the .05 level? <BR>\n" );
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document.write( "Determine the degrees of freedom of the test.<BR>\n" );
document.write( "c = number of categories = 3<BR>\n" );
document.write( "n = number of subjects = 28<BR>\n" );
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document.write( "Then F(sub c-1,n-c) = F(2,25) = ?<BR>\n" );
document.write( "In F-chart df = 2 for numerator; df= 25 for denominator.<BR>\n" );
document.write( "F-chart value for right-tail test with alpha = 5% is 3.39<BR>\n" );
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document.write( "Conclusion: Since the test stat is greater than the critical value<BR>\n" );
document.write( "reject Ho.<BR>\n" );
document.write( "Answer: b<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "a. mean hourly wages of unskilled employees all areas are equal<BR>\n" );
document.write( "b. mean hourly wages in at least 2 metropolitian areas are different<BR>\n" );
document.write( "c. more degrees of freedom are needed<BR>\n" );
document.write( "d. none of these are correct<BR>\n" );
document.write( " </SPAN>\n" );
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