document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=323130>Question 323130</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Here is the problem...see below for my question...\r<BR>\n" );
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document.write( "A bond analyst is analyzing the interest rates for equivalent municipal bonds issued by two different states. At 
 = .05, is there a difference in the interest rates paid by the two states?\r<BR>\n" );
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document.write( "State A<BR>\n" );
document.write( "Sample size 80<BR>\n" );
document.write( "Mean interest rate (%) 3.7<BR>\n" );
document.write( "Sample variance 0.02\r<BR>\n" );
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document.write( "State B<BR>\n" );
document.write( "Sample Size 70<BR>\n" );
document.write( "Mean Interest Rate (%) 4.25<BR>\n" );
document.write( "Sample Variance 0.03\r<BR>\n" );
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document.write( "A) No, because the test value &#150;0.02 is inside the interval (-1.96, 1.96)<BR>\n" );
document.write( "B) Yes, because the test value 445.79 is outside the interval (-1.96, 1.96)<BR>\n" );
document.write( "C) Yes, because the test value &#150;21.11 is outside the interval (-1.96, 1.96)<BR>\n" );
document.write( "D) Yes, because the test value &#150;8.11 is outside the interval (-1.96, 1.96)\r<BR>\n" );
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document.write( "I used the t-test to figure this and got the answer 810, which does not match any of the answers.\r<BR>\n" );
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document.write( "Could you please let me know what formula/steps that should be used on this?<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 #231314 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=231314\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I ran a 2-SampleTtest on a TI-84 and got<BR>\n" );
document.write( "test stat = t = -21.1137<BR>\n" );
document.write( "p-value approximately zero: 2.34x10^-44<BR>\n" );
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document.write( "Conclusion: Reject Ho: u1-u2=0<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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