document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=290758>Question 290758</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 11.24 In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the resulting damage (in dollars) was estimated.  Five test vehicles of each type were crashed, with the results shown below. Research question: Are the mean crash damages the same for these three vehicles?				\r<BR>\n" );
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document.write( "Crash Damage ($)				<BR>\n" );
document.write( "		Goliath	Varimint Weasel<BR>\n" );
document.write( "		1600	1290	 1090<BR>\n" );
document.write( "		760	1400	 2100<BR>\n" );
document.write( "		880	1390	 1830<BR>\n" );
document.write( "		1950	1850	 1250<BR>\n" );
document.write( "		1220	950	 1920<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #210384 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=210384\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  In a bumper test, three types of autos were deliberately crashed into a barrier at 5 mph, and the resulting damage (in dollars) was estimated. Five test vehicles of each type were crashed, with the results shown below. Research question: Are the mean crash damages the same for these three vehicles? <BR>\n" );
document.write( "Crash Damage ($) <BR>\n" );
document.write( "Goliath Varimint Weasel<BR>\n" );
document.write( "1600 1290 1090<BR>\n" );
document.write( "760 1400 2100<BR>\n" );
document.write( "880 1390 1830<BR>\n" );
document.write( "1950 1850 1250<BR>\n" );
document.write( "1220 950 1920<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Ho: u1 = u2 = u3<BR>\n" );
document.write( "Ha: At least one of the means is different<BR>\n" );
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document.write( "I ran an ANOVA program on my TI-84 calculator to get<BR>\n" );
document.write( "the following:<BR>\n" );
document.write( "test statistic: F = 0.9367<BR>\n" );
document.write( "p-value: 0.4188<BR>\n" );
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document.write( "Conclusion:<BR>\n" );
document.write( "Since the p-value is greater than<BR>\n" );
document.write( "10%, fail to reject Ho at the 10%<BR>\n" );
document.write( "level of significance.<BR>\n" );
document.write( "=====================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );