document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=347677>Question 347677</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Grand Strand Family Medical Center is specifically set up to treat minor medical emergencies for visitors to the Myrtle Beach area. There are two facilities, one in the Little<BR>\n" );
document.write( "River Area and the other in Murrells Inlet. The Quality Assurance Department wishes to<BR>\n" );
document.write( "compare the mean waiting time for patients at the two locations. Samples of the waiting<BR>\n" );
document.write( "times, reported in minutes, follow:\r<BR>\n" );
document.write( "\n" );
document.write( "Location Waiting Time<BR>\n" );
document.write( "Little River 31.73 28.77 29.53 22.08 29.47 18.60 32.94 25.18 29.82 26.49<BR>\n" );
document.write( "Murrells Inlet 22.93 23.92 26.92 27.20 26.44 25.62 30.61 29.44 23.09 23.10 26.69 22.31\r<BR>\n" );
document.write( "\n" );
document.write( "Assume the population standard deviations are not the same. At the .05 significance level,<BR>\n" );
document.write( "is there a difference in the mean waiting time?<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 #248524 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=248524\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Grand Strand Family Medical Center is specifically set up to treat minor medical emergencies for visitors to the Myrtle Beach area. <BR>\n" );
document.write( "There are two facilities, one in the Little River Area and the other in Murrells Inlet. <BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "The Quality Assurance Department wishes to<BR>\n" );
document.write( "compare the mean waiting time for patients at the two locations. Samples of the waiting times, reported in minutes, follow: <BR>\n" );
document.write( "Location Waiting Time<BR>\n" );
document.write( "Little River 31.73 28.77 29.53 22.08 29.47 18.60 32.94 25.18 29.82 26.49\r<BR>\n" );
document.write( "\n" );
document.write( "Murrells Inlet 22.93 23.92 26.92 27.20 26.44 25.62 30.61 29.44 23.09 23.10 26.69 22.31\r<BR>\n" );
document.write( "\n" );
document.write( "---------------------------------- <BR>\n" );
document.write( "Assume the population standard deviations are not the same. At the .05 significance level, is there a difference in the mean waiting time?<BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "Ho: u(LR)-u(MI) = 0<BR>\n" );
document.write( "H1: u(LR)-u(MI) is not equal to 0<BR>\n" );
document.write( "-----------------------------------<BR>\n" );
document.write( "I ran a 2-Sample Ttest and got the following:<BR>\n" );
document.write( "test statistic: t=1.1047<BR>\n" );
document.write( "p-value = 0.2876<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Since the p-value is greater than 5%, fail to reject Ho.<BR>\n" );
document.write( "=========================<BR>\n" );
document.write( "Please inquire if you do not understand this response.<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );