document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=143220>Question 143220</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Do a larger proportion of people own cats live in houses or apts?\r<BR>\n" );
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document.write( "                       Group 1 Houses       Group 2 Apts<BR>\n" );
document.write( "Number who own cats:      x1= 833             x2 = 692\r<BR>\n" );
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document.write( "Number Surveyed:          n1 = 850            n2 = 740\r<BR>\n" );
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document.write( "I need to perform the five step hypothesis test. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #104271 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=104271\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Do a larger proportion of people own cats live in houses or apts?\r<BR>\n" );
document.write( "\n" );
document.write( "                       Group 1 Houses       Group 2 Apts<BR>\n" );
document.write( "Number who own cats:      x1= 833             x2 = 692\r<BR>\n" );
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document.write( "Number Surveyed:          n1 = 850            n2 = 740\r<BR>\n" );
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document.write( "I need to perform the five step hypothesis test.<BR>\n" );
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document.write( "Ho: p(house)-P(apts) = 0<BR>\n" );
document.write( "Ha: p(house)-p(apts > 0<BR>\n" );
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document.write( "phat(house) = 83/850 = 0.98<BR>\n" );
document.write( "phat(apts) = 692/740 = 0.935...<BR>\n" );
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document.write( "Critical value = 1.645<BR>\n" );
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document.write( "Using a TI-83 2-PropZTest I get the following:<BR>\n" );
document.write( "test statistic: 4.50649<BR>\n" );
document.write( "p-value: 0.0000032984...<BR>\n" );
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document.write( "Conclusion: Since p-value is less than alpha =5%, reject Ho.<BR>\n" );
document.write( "The proportion of cats in houses is greater than the proportion of cats in apts.<BR>\n" );
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document.write( "Cjeers.<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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