document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=313768>Question 313768</A>: <I><SPAN STYLE=\"word-break: break-all;\"> based on the information below decide whether to reject the null hypothesis. For each give the z-score cutoff on the comparison distribution at which the null hypothesis should be rejected and give the Z-score on the comparison distribution for the sample score and the conclusion: There are four studies A-D each have a mean of 5 and an SD of 1, all have a sample score of 7. A & B have a p=.05 using a 1tailed test(high predicted) and 2 tailed test. C & D have a p=.01 using a 1tailed test(high predicted) and 2 tailed test.\r<BR>\n" );
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document.write( "If my math is right the cut off score is -2 ?? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #224384 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=224384\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> based on the information below decide whether to reject the null hypothesis.<BR>\n" );
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document.write( " For each give the z-score cutoff on the comparison distribution at which the null hypothesis should be rejected and give the Z-score on the comparison distribution for the sample score and the conclusion: <BR>\n" );
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document.write( "There are four studies A-D each have a mean of 5 and an SD of 1, all have a sample score of 7. <BR>\n" );
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document.write( "A & B have a p=.05 using a 1 tailed test(high predicted) and 2 tailed test. <BR>\n" );
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document.write( "C & D have a p=.01 using a 1 tailed test(high predicted) and 2 tailed test.<BR>\n" );
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document.write( "If my math is right the cut off score is -2 ?<BR>\n" );
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document.write( "I can't tell where this problem is going.<BR>\n" );
document.write( "You say you have both and right tail and a 2-tail test and p=0.05 for both!<BR>\n" );
document.write( "I assume you p-value is the probability of test results being more extreme<BR>\n" );
document.write( "than what your test revealed.  But that p-value cannot be the same for a<BR>\n" );
document.write( "right tail and a 2 tail test.<BR>\n" );
document.write( "What am I missing?<BR>\n" );
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document.write( "Also, on a right tail test, a cut-off of z=-2 does not make much sense.<BR>\n" );
document.write( "How did you arrive at that?<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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