document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1183616>Question 1183616</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In one experiment, a number of cars with different characteristics are run on a test track at a speed of between 70 and 80 kilometers per hour. A number of properties are measured and the average consumption of fuel is registered.<BR>\n" );
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document.write( "The variables included in the analysis are\r<BR>\n" );
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document.write( "- The car's average consumption in liters / mile\r<BR>\n" );
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document.write( "- Weight of the car in kilograms (Weight)\r<BR>\n" );
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document.write( "- The car's average speed during the test in km / h (Average speed)\r<BR>\n" );
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document.write( "- Whether the car was front-wheel drive, rear-wheel drive or four-wheel drive (Front-wheel drive, Rear-wheel drive, Four-wheel drive)\r<BR>\n" );
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document.write( "The information is then entered into Excel and a regression analysis is performed, with the following results:\r<BR>\n" );
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document.write( "           Coffecients:<BR>\n" );
document.write( "Constant: 0,3067 <BR>\n" );
document.write( "Weight: 0,0001<BR>\n" );
document.write( "Average speed:0,0023              with       t: 1,1494<BR>\n" );
document.write( "Rear wheel drive:0,0151<BR>\n" );
document.write( "Four-wheel drive:0,0586\r<BR>\n" );
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document.write( "ANOVA<BR>\n" );
document.write( "F: 10,4011<BR>\n" );
document.write( "p -vaule for F: 4,77726E-08 = 0,0000000477726\r<BR>\n" );
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document.write( "a)Interpret the equation and it's components in words\r<BR>\n" );
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document.write( "b) Interpret the completed F-test. Also set out the current hypotheses and describe what they mean.\r<BR>\n" );
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document.write( "c) Interpret the average t-test performed for Average Speed. Also set out the current hypotheses and describe what they mean.\r<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 #814348 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=814348\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "The longer a post is, &nbsp;the lesser a chance that somebody will read it.\r<BR>\n" );
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document.write( "It is the &nbsp;LAW &nbsp;on how the contemporary people take reading.\r<BR>\n" );
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document.write( "Therefore, &nbsp;normal &nbsp;Math problem is &nbsp;3 - 4, &nbsp;maximum &nbsp;5 &nbsp;lines of standard text.\r<BR>\n" );
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document.write( "Everything longer is not a &nbsp;Math problem.\r<BR>\n" );
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