document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=233064>Question 233064</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The manager of a driving school claims that the mean time taken to learn how to drive a car is 8 hours or less for all new drivers.  A sample of 16 new drivers showed that the mean time taken by them to learn how to drive the car is 9.5 hours with a standard deviation of 1.5 hours. Test the manager’s claim at the 1% significance level.\r<BR>\n" );
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document.write( "a.Select the null and alternate hypothesis.<BR>\n" );
document.write( "b.Determine the critical values of the test statistic.<BR>\n" );
document.write( "c.Which equation listed below would you use?  <BR>\n" );
document.write( "Using the statistical calculator or manual calculation what is the observed statistic and what is your decision regarding the null hypothesis </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172092 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=172092\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The manager of a driving school claims that the mean time taken to learn how to drive a car is 8 hours or less for all new drivers. A sample of 16 new drivers showed that the mean time taken by them to learn how to drive the car is 9.5 hours with a standard deviation of 1.5 hours. Test the manager’s claim at the 1% significance level. <BR>\n" );
document.write( "a.Select the null and alternate hypothesis.<BR>\n" );
document.write( "Ho: u <= 8 (Claim)<BR>\n" );
document.write( "Ha: u > 8\r<BR>\n" );
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document.write( "b.Determine the critical values of the test statistic.<BR>\n" );
document.write( "The critical value is 2.6<BR>\n" );
document.write( "The test statistic is t=4<BR>\n" );
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document.write( "c.Which equation listed below would you use? <BR>\n" );
document.write( "Using the statistical calculator or manual calculation what is the observed statistic and what is your decision regarding the null hypothesis<BR>\n" );
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document.write( "I used a TI calculator to run a Ttest and got a test statistic of 4<BR>\n" );
document.write( "and a p-value as listed below.<BR>\n" );
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document.write( "Since the p-value = 0.0005797 is < than 1%, reject Ho.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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