document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=403485>Question 403485</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that 30 randomly selected subjects are randomly assigned to three different treatment groups, 10 subjects in each. Each group is given one of three different drugs (A, B, or C) and the subjects’ responses are measured on a ratio scale.\r<BR>\n" );
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document.write( "We want to know test the hypothesis that the mean group responses are not all equal with a 5% significance level:<BR>\n" );
document.write( "	   Sum ofSquares	df	MeanSquare	F	Sig.(p-value)<BR>\n" );
document.write( "Between Groups	3.998	       2	1.999	     5.312	0.011<BR>\n" );
document.write( "Within Groups	10.160	       27	0.376		<BR>\n" );
document.write( "Total	        14.158  	29\r<BR>\n" );
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document.write( "F is 5.312 and p value is 0.011			\r<BR>\n" );
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document.write( "With that result for the F-test, should we reject the null hypothesis given above?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #285362 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=285362\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We want to know test the hypothesis that the mean group responses are not all equal with a 5% significance level:\r<BR>\n" );
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document.write( "Sum ofSquares df MeanSquare F Sig.(p-value)<BR>\n" );
document.write( "Between Groups 3.998 2 1.999 5.312 0.011<BR>\n" );
document.write( "Within Groups 10.160 27 0.376 <BR>\n" );
document.write( "Total 14.158 29 <BR>\n" );
document.write( "F is 5.312 and p value is 0.011<BR>\n" );
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document.write( "With that result for the F-test, should we reject the null hypothesis given above?<BR>\n" );
document.write( "Ho: means are all equal<BR>\n" );
document.write( "Ha: At least one of the means is not equal<BR>\n" );
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document.write( "Since the p-value is less than 5%, reject Ho.<BR>\n" );
document.write( "At least one of the means is not equal.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
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document.write( " </SPAN>\n" );
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