document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=286404>Question 286404</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Research question: At &#945; = .05, does vehicle type vary by mall location?\r<BR>\n" );
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document.write( "Vehicle Type     Somerset     Oakland     Great Lakes     Jamestown     Row Total<BR>\n" );
document.write( "Car         44         49         36           64         193<BR>\n" );
document.write( "Minivan     21         15         18           13         67<BR>\n" );
document.write( "Full-sized Van     2         3         3             2         10<BR>\n" );
document.write( "SUV         19         27         26           12           84<BR>\n" );
document.write( "Truck         14           6         17             9           46<BR>\n" );
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document.write( "Col Total     100         100         100           100           400<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 #207696 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=207696\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A student team examined parked cars in four different suburban shopping malls. One hundred vehicles<BR>\n" );
document.write( "were examined in each location. Research question: At &#945; = .05, does vehicle type vary by<BR>\n" );
document.write( "mall location? <BR>\n" );
document.write( "Vehicle Type Somerset Oakland Great Lakes Jamestown Row Total<BR>\n" );
document.write( "Car........... 44....... 49.......... 36...... 64.... 193<BR>\n" );
document.write( "Minivan....... 21....... 15.......... 18.......13..... 67<BR>\n" );
document.write( "Full-sized Van 2......... 3........... 3....... 2..... 10<BR>\n" );
document.write( "SUV........... 19 ........27......... 26...... 12..... 84<BR>\n" );
document.write( "Truck......... 14......... 6......... 17....... 9 .....46<BR>\n" );
document.write( "Col Total 100 100 100 100 400 <BR>\n" );
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document.write( "Enter the 5 by 4 set of data into a matrix and run a Chi-Sq<BR>\n" );
document.write( "Test on it. I used a TI calculator and got the following:<BR>\n" );
document.write( "Ho: Row and Column factors are Independent<BR>\n" );
document.write( "Ha: they are dependent<BR>\n" );
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document.write( "Test Statistic: Chi-Sq = 24.532<BR>\n" );
document.write( "p-value: 0.0172..<BR>\n" );
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document.write( "Since the p-value is less than 5%, reject Ho.<BR>\n" );
document.write( "Row and column factors are dependent<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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