document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1075159>Question 1075159</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.	An employment information service claims that the mean annual salary for full-time male workers over age 25 and without a high school diploma is $26,000.  The annual salaries for a random sample of 10 full-time male workers without a high school diploma are listed below. At <BR>\n" );
document.write( "   a=0.05  test the claim that the mean salary is $26,000.<BR>\n" );
document.write( "26,185<BR>\n" );
document.write( "23,814<BR>\n" );
document.write( "22,374<BR>\n" );
document.write( "25,189<BR>\n" );
document.write( "26,318<BR>\n" );
document.write( "20,767<BR>\n" );
document.write( "30,782<BR>\n" );
document.write( "29,541<BR>\n" );
document.write( "24,597<BR>\n" );
document.write( "28,955<BR>\n" );
document.write( "a.	Make a decision regarding Ho<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #689854 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=689854\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ho: salary is $26,000<BR>\n" );
document.write( "Ha: it isn't<BR>\n" );
document.write( "alpha is 0.05<BR>\n" );
document.write( "test statistic is a t df=9, 0.975=2.262<BR>\n" );
document.write( "reject if |t|>2.262<BR>\n" );
document.write( "t=(x bar-26000)/s/ sqrt (10)<BR>\n" );
document.write( "t=(25852.2-26000)*sqrt(10)/3197.08<BR>\n" );
document.write( "=-0.146,<BR>\n" );
document.write( "Fail to reject Ho.<BR>\n" );
document.write( "Insufficient evidence to conclude that the mean is not $26,000.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );