document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=189737>Question 189737</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A recent study by a LA based grocer designed to determine whether there was a relationship between the importance of promotional coupons and the size of the store revealed the following sample information:	\r<BR>\n" );
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document.write( "Size of Store	Important	Not Important<BR>\n" );
document.write( "Small	           40	             65<BR>\n" );
document.write( "Large	           60	             40\r<BR>\n" );
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document.write( "What is your conclusion? Use the 0.05 level of significance.<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 #142382 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=142382\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A recent study by a LA based grocer designed to determine whether there was a relationship between the importance of promotional coupons and the size of the store revealed the following sample information: \r<BR>\n" );
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document.write( "Size of Store Important Not Important<BR>\n" );
document.write( "Small 40 65<BR>\n" );
document.write( "Large 60 40 \r<BR>\n" );
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document.write( "What is your conclusion? Use the 0.05 level of significance.<BR>\n" );
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document.write( "Ho: the row and column factos are independent.<BR>\n" );
document.write( "Ha: they are dependent<BR>\n" );
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document.write( "Put the 2 by 2 data set into a matrix and run a Chi-Sq<BR>\n" );
document.write( "Test on it to get:<BR>\n" );
document.write( "test statistic: Chi-Sq = 9.8363<BR>\n" );
document.write( "p-value: 0.0017<BR>\n" );
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document.write( "Conclusion: Since the p-value is less than 5%, reject Ho.<BR>\n" );
document.write( "The row and column factors are dependent.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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