document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=139133>Question 139133</A>: <I><SPAN STYLE=\"word-break: break-all;\"> help on this question<BR>\n" );
document.write( "For the following set of data, test the hypothesis that the average is 10.  Run a test of that hypothesis and present the conclusion.<BR>\n" );
document.write( "x<BR>\n" );
document.write( "8.9<BR>\n" );
document.write( "9.7<BR>\n" );
document.write( "10.3<BR>\n" );
document.write( "8.5<BR>\n" );
document.write( "10.4<BR>\n" );
document.write( "9.3<BR>\n" );
document.write( "9.8<BR>\n" );
document.write( "7.1<BR>\n" );
document.write( "10.6<BR>\n" );
document.write( "11.1<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 #101539 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=101539\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ho: u=10<BR>\n" );
document.write( "Ha: u is not 10<BR>\n" );
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document.write( "Find the mean of the sample: x-bar<BR>\n" );
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document.write( "Determine the critical t values for a two tail test with alpha=5% and dr=9<BR>\n" );
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document.write( "Determine the test statistic: t(x-bar) = (x-bar - 10)/[s/sqrt(10)]<BR>\n" );
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document.write( "Determine the p-value<BR>\n" );
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document.write( "Draw a conclusion based on the p-value compared to alpha <BR>\n" );
document.write( "or the test statistic compared to the critical values.<BR>\n" );
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document.write( "Running a T-test I get:<BR>\n" );
document.write( "test statistic: t=-1.1556<BR>\n" );
document.write( "p-value: 0.27759...<BR>\n" );
document.write( "x-bar= 9.57<BR>\n" );
document.write( "s=1.1767...<BR>\n" );
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document.write( "Conclusion: Fail to reject Ho.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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