document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=263874>Question 263874</A>: <I><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 the three vehicles?\r<BR>\n" );
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document.write( "Goliath	Varmint	Weasel<BR>\n" );
document.write( "1,600	1,290	1,090<BR>\n" );
document.write( "760	1,400	2,100<BR>\n" );
document.write( "880	1,390	1,830<BR>\n" );
document.write( "1,950	1,850	1,250<BR>\n" );
document.write( "1,220	950	1,920<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 #194424 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=194424\">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 the three vehicles? <BR>\n" );
document.write( "Goliath Varmint Weasel<BR>\n" );
document.write( "1,600 1,290 1,090<BR>\n" );
document.write( "760 1,400 2,100<BR>\n" );
document.write( "880 1,390 1,830<BR>\n" );
document.write( "1,950 1,850 1,250<BR>\n" );
document.write( "1,220 950 1,920<BR>\n" );
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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 calculator to get:<BR>\n" );
document.write( "ts: F = 0.93665..<BR>\n" );
document.write( "p-value: 0.4188<BR>\n" );
document.write( "df=2<BR>\n" );
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document.write( "Conclusion:<BR>\n" );
document.write( "Since the p-value is 41%, fail to reject Ho<BR>\n" );
document.write( "Statistically, the means are the same for the three cars.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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