document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1131825>Question 1131825</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me to solve this prob, thank u.<BR>\n" );
document.write( "4.	The following data are the semester tuition charges ($000) for a sample of private colleges in various regions of the US. At the .05 significance level, can we conclude there is a difference in the mea tuition rates for the various regions?\r<BR>\n" );
document.write( "\n" );
document.write( "Northeast	Southeast	West<BR>\n" );
document.write( "10	8	7<BR>\n" );
document.write( "11	9	8<BR>\n" );
document.write( "12	10	6<BR>\n" );
document.write( "10	8	7<BR>\n" );
document.write( "12		6\r<BR>\n" );
document.write( "\n" );
document.write( "a)	State the null and the alternative hypostheses<BR>\n" );
document.write( "b)	What is the decision rule?<BR>\n" );
document.write( "c)	What is your decision regarding the null hypothesis?<BR>\n" );
document.write( "d)	Could there be a significant difference between the mean tuition in the northeast and that of the west?If so, develop a 95% confidence interval for that difference<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 #749028 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52863)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=749028\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Some data is missed in the last row of the Table.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );