document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=164964>Question 164964</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The results shown below are mean productivity measurements (average number of assemblies completed per hour) for a random sample of workers at each of three plants. Research question: Are the mean hourly productivity levels the same for workers in these three plants? Productivity\r<BR>\n" );
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document.write( "Hourly Productivity of Assemblers in Plants<BR>\n" );
document.write( "                          Plant	Finished Units Produced Per Hour<BR>\n" );
document.write( "A (9 workers)	3.6	5.1	2.8	4.6	4.7	4.1	3.4	2.9	4.5	 <BR>\n" );
document.write( "B (6 workers)	2.7	3.1	5.0	1.9	2.2	3.2	 	 	 	 <BR>\n" );
document.write( "C (10 workers)	6.8	2.5	5.4	6.7	4.6	3.9	5.4	4.9	7.1	8.4<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 #121817 by </B><A HREF=/tutors/aboutme.mpl?userid=themathprof><B>themathprof(21)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=themathprof><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=121817\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> for each mean add the data and divide by the amount of numbers\r<BR>\n" );
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document.write( "A: mean = 35.7/9=3.9666666<BR>\n" );
document.write( "B: mean = 18.1/6=3.01666666<BR>\n" );
document.write( "C: mean =  55.7/10=5.57\r<BR>\n" );
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document.write( "visit www.math911.com.<BR>\n" );
document.write( "download,install, activate math911 (all free!)<BR>\n" );
document.write( "it has hundreds of problems like this worked <BR>\n" );
document.write( "out step by step in the statistics chapter 12\r<BR>\n" );
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document.write( "Just enter your data and watch Professor <BR>\n" );
document.write( "Weissman show you how to make a frequency<BR>\n" );
document.write( "table, histogram, etc. step by step.\r<BR>\n" );
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document.write( "tell your classmates and teacher </SPAN>\n" );
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