document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=750135>Question 750135</A>: <I><SPAN STYLE=\"word-break: break-all;\">  a random sample of 500 individuals selected from each of three grouped and each person was asked to specify which of the three brands mobile phone is preferred as shown <BR>\n" );
document.write( "Age group 	M1	M2	M3	Total <BR>\n" );
document.write( "Under 40	100	50	80	230<BR>\n" );
document.write( "45-50	        5	20	120	145<BR>\n" );
document.write( "51 and above 	15	30	80	125<BR>\n" );
document.write( "Total 	      120	100	280	500<BR>\n" );
document.write( "test the hypothesis  that the populations are homogenous with respect to brand mobile phone they prefer at 5% level of confidence<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 #456388 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=456388\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a random sample of 500 individuals selected from each of three grouped and each person was asked to specify which of the three brands mobile phone is preferred as shown <BR>\n" );
document.write( "Age group 	M1	M2	M3	Total <BR>\n" );
document.write( "Under 40	        100	50	80	230<BR>\n" );
document.write( "45-50	          5	20	120	145<BR>\n" );
document.write( "51 and above 	15	30	80	125<BR>\n" );
document.write( "Total 	      120	100	280	500<BR>\n" );
document.write( "test the hypothesis  that the populations are homogenous with respect to brand mobile phone they prefer at 5% level of confidence\r<BR>\n" );
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document.write( "Ho: The row and column factors are homogeneous<BR>\n" );
document.write( "Ha: They are not<BR>\n" );
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document.write( "test statistic: Chi-Sq = 111.98<BR>\n" );
document.write( "p-value: 2.757x10^-23<BR>\n" );
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document.write( "Since the p-value is less than 5%, reject Ho at the 5% level of significance.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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