document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=322827>Question 322827</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This problem tells me to use the variances unequal formula...could you provide it...thank you.\r<BR>\n" );
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document.write( "Mauricio Cruz, a wine merchant for Cruz's Spirits Emporium, wants to determine if the average price of imported wine is less than the average price of domestic wine. The data obtained is shown in the table below.<BR>\n" );
document.write( "Imported Wine Domestic Wine<BR>\n" );
document.write( "X 7.03 9.78<BR>\n" );
document.write( "s 2.31 3.62<BR>\n" );
document.write( "n 15 16<BR>\n" );
document.write( "40. What is the test value? Use a = 0.05. (Use the variances unequal formula)<BR>\n" );
document.write( "A) –4.53 B) –2.54 C) –2.50 D) –6.97\r<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 #231113 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=231113\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> t = [(x1bar-x2bar)-(u1 - u2)]/[sqrt[s1^2/n1 + s2^2/n2]<BR>\n" );
document.write( "df = smaller of n1-1 and n2-1<BR>\n" );
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document.write( "Note: I ran a 2-SampleT test on my TI-84 calculator <BR>\n" );
document.write( "and got a test statistic of t = -2.5372<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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