document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=955797>Question 955797</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hypothesis Testing. <BR>\n" );
document.write( "Ho: population mean &#956;o = 200<BR>\n" );
document.write( " Ha: population mean &#956;o < 200<BR>\n" );
document.write( " This will be Left-Tailed test. <BR>\n" );
document.write( "Population Standard Deviation &#963; = 50 <BR>\n" );
document.write( "Significance level is 0.10 (10%).<BR>\n" );
document.write( " Critical z-value for 10% significance level and Left-Tailed test is (-1.28). <BR>\n" );
document.write( "For sample mean 194 and sample size 36 use numbers assigned for in the table below. <BR>\n" );
document.write( "1. Calculate your test statistics z-value: z = (194 - 200)/(50/&#8730;36) <BR>\n" );
document.write( "2. Does your sample statistics z value falls in rejection region to the left of -1.28? 3. Will you reject or do not reject Ho?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #583911 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=583911\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hypothesis Testing. <BR>\n" );
document.write( "Ho: population mean &#956;o = 200<BR>\n" );
document.write( " Ha: population mean &#956;o < 200<BR>\n" );
document.write( " This will be Left-Tailed test.<BR>\n" );
document.write( "----------------------------- <BR>\n" );
document.write( "Population Standard Deviation &#963; = 50 <BR>\n" );
document.write( "Significance level is 0.10 (10%).<BR>\n" );
document.write( " Critical z-value for 10% significance level and Left-Tailed test is (-1.28).<BR>\n" );
document.write( "--------------------------- <BR>\n" );
document.write( "For sample mean 194 and sample size 36 use numbers assigned for in the table below. <BR>\n" );
document.write( "1. Calculate your test statistics z-value: z = (194 - 200)/(50/&#8730;36)\r<BR>\n" );
document.write( "\n" );
document.write( "z(194) = (194-200)/[50/sqrt(36)] =  = -0.02<BR>\n" );
document.write( "----------------------------- <BR>\n" );
document.write( "2. Does your sample statistics z value fall in rejection region to the left of <BR>\n" );
document.write( "-1.28?<BR>\n" );
document.write( "Ans: No, it is not that far below the mean.<BR>\n" );
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document.write( "3. Will you reject or do not reject Ho?<BR>\n" );
document.write( "Ans: Since the test stat is not in the reject interval<BR>\n" );
document.write( "you should fail to reject Ho.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( "  </SPAN>\n" );
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