document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1086347>Question 1086347</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Specify whether you will use a normal distribution, t-distribution or neither for the below examples:\r<BR>\n" );
document.write( "\n" );
document.write( " A study is performed assessing the average height of a sample of 20 5th graders. The mean height obtained in the sample was 56” and was approximately normally distributed. The sample standard deviation was 3.5”. <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 #700565 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=700565\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Specify whether you will use a normal distribution, t-distribution or neither for the below examples: <BR>\n" );
document.write( "A study is performed assessing the average height of a sample of 20 5th graders. The mean height obtained in the sample was 56” and was approximately normally distributed. The sample standard deviation was 3.5”. <BR>\n" );
document.write( "------<BR>\n" );
document.write( "Ans:: t-distribution because sample size is below 30.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );