document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=616601>Question 616601</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost of weddings in the United States has skyrocketed in recent years. As a result many couples are opting to have their weddings in the Caribbean. A Caribbean vacation resort recently advertised in Bride Magazine that the cost of a Caribbean wedding was less than $10,000. Listed below is a total cost in $000 for a sample of 8 Caribbean weddings. At the .05 significance level is it reasonable to conclude the mean wedding cost is less than $10,000 as advertised?\r<BR>\n" );
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document.write( "9.7<BR>\n" );
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document.write( "9.4<BR>\n" );
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document.write( "11.7<BR>\n" );
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document.write( "9.0<BR>\n" );
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document.write( "9.1<BR>\n" );
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document.write( "10.5<BR>\n" );
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document.write( "9.1<BR>\n" );
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document.write( "9.8\r<BR>\n" );
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document.write( "(b) 	State the decision rule for .05 significance level. (Round your answer to 3 decimal places.)<BR>\n" );
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document.write( "  Reject H0 if t < 	 \r<BR>\n" );
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document.write( "(c) 	Compute the value of the test statistic. (Round your answer to 3 decimal places.)<BR>\n" );
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document.write( "  Value of the test statistic 	  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #387900 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=387900\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  The cost of weddings in the United States has skyrocketed in recent years. As a result many couples are opting to have their weddings in the Caribbean. A Caribbean vacation resort recently advertised in Bride Magazine that the cost of a Caribbean wedding was less than $10,000. Listed below is a total cost in $000 for a sample of 8 Caribbean weddings. At the .05 significance level is it reasonable to conclude the mean wedding cost is less than $10,000 as advertised?<BR>\n" );
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document.write( "Ho: u >= 10,000 <BR>\n" );
document.write( "Ha: u < 10,000 (claim)<BR>\n" );
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document.write( "9.7\r<BR>\n" );
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document.write( "9.4\r<BR>\n" );
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document.write( "11.7\r<BR>\n" );
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document.write( "9.0\r<BR>\n" );
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document.write( "9.1\r<BR>\n" );
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document.write( "10.5\r<BR>\n" );
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document.write( "9.1\r<BR>\n" );
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document.write( "9.8 \r<BR>\n" );
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document.write( "(b) State the decision rule for .05 significance level. (Round your answer to 3 decimal places.)<BR>\n" );
document.write( "Critical value = invT(0.05 when df = 7) = -1.8946\r<BR>\n" );
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document.write( "Reject H0 if t < -1.943<BR>\n" );
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document.write( "(c) Compute the value of the test statistic. (Round your answer to 3 decimal places.)\r<BR>\n" );
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document.write( "Value of the test statistic <BR>\n" );
document.write( "t(9.7875) = (9.7875-10)/[0.9172/sqrt(8)] = -0.6553<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=================== </SPAN>\n" );
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