document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=155280>Question 155280</A>: <I><SPAN STYLE=\"word-break: break-all;\"> given the following raw scores on a standard 10 poing scale. calculate the 95% confidence interval (use the t-score method) the interval is from ___ to___10,8,4,4,6,2,3,2,2,5,3,8,5,7,9,9,6,9,5,4,1,5,4,2,8, </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #114357 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=114357\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> given the following raw scores on a standard 10 point scale. <BR>\n" );
document.write( "Calculate the 95% confidence interval (use the t-score method) <BR>\n" );
document.write( "the interval is from ___ to___\r<BR>\n" );
document.write( "\n" );
document.write( "10,8,4,4,6,2,3,2,2,5,3,8,5,7,9,9,6,9,5,4,1,5,4,2,8,<BR>\n" );
document.write( "-----------------------------------------------------------------<BR>\n" );
document.write( "sample mean = 5.083333...<BR>\n" );
document.write( "sigma = 2.586195...<BR>\n" );
document.write( "n= 25<BR>\n" );
document.write( "t* = 2.064 is the t-value for 95% confidence and df=24<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "E = 2.064[2.586195/sqrt(25)] = 1.067581<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "95% CI: 5.083333-1.067581.. < u < 5.083333+1.067581..<BR>\n" );
document.write( "95% CI: 4.015752.. < u < 6.150914...  <BR>\n" );
document.write( "=========================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );