document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1195831>Question 1195831</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A study was conducted to determine weight loss, body composition, etc. in obese women before and after 12 weeks of treatment with a very-low-calorie diet: (05 Marks)<BR>\n" );
document.write( "Before	After<BR>\n" );
document.write( "85	86<BR>\n" );
document.write( "95	90<BR>\n" );
document.write( "75	72<BR>\n" );
document.write( "110	100<BR>\n" );
document.write( "81	75<BR>\n" );
document.write( "92	88<BR>\n" );
document.write( "83	83<BR>\n" );
document.write( "94	93<BR>\n" );
document.write( "88	82<BR>\n" );
document.write( "105	99<BR>\n" );
document.write( "We wish to know if these data provide sufficient evidence to allow us to conclude that the treatment is effective in causing weight reduction in obese women at  . Solve using five step critical  -  value approach.<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 #828410 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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/cgi-bin/show-face.mpl?user=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=828410\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ho: Change is 0<BR>\n" );
document.write( "Ha: Change is not 0<BR>\n" );
document.write( "alpha=0.05 p{reject Ho|Ho true}<BR>\n" );
document.write( "test is a paired t (0.975, df=9) critical value |t| > 2.262<BR>\n" );
document.write( "values<BR>\n" );
document.write( "mean is 4<BR>\n" );
document.write( "s=3.33<BR>\n" );
document.write( "t=difference/s/sqrt(n)<BR>\n" );
document.write( "=4/3.333/sqrt(10)<BR>\n" );
document.write( "=3.798<BR>\n" );
document.write( "Reject Ho; the mean difference is positive, not 0, and there is a significant difference in the treatment to cause weight loss. p-value=0.004. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );