document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1181958>Question 1181958</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.	A student believes that the average grade on the statistics final examination was 83. A sample of 32 final examinations was taken. The average grade in the sample was 80.5 with a standard deviation of 10.\r<BR>\n" );
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document.write( "Develop the appropriate hypotheses to test the student’s claim.													<BR>\n" );
document.write( "and At α = .05, what is your conclusion about the student’s claim?<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 #811928 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=811928\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ho: grade was 83(mu)<BR>\n" );
document.write( "Ha: mu NE 83<BR>\n" );
document.write( "alpha=0.05 p{reject Ho|Ho true}<BR>\n" );
document.write( "test stat is a t(0.975, df=31)<BR>\n" );
document.write( "critical value for this two way t-test is |t|>2.041<BR>\n" );
document.write( "calculation t=(80.5-83)/10/sqrt(32)<BR>\n" );
document.write( "=-2.5*sqrt(32)/10<BR>\n" );
document.write( "=-1.41<BR>\n" );
document.write( "fail to reject Ho. There is insufficient evidence to reject the claim. (The student has not been proven wrong)<BR>\n" );
document.write( "p-value=0.334<BR>\n" );
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