document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=266354>Question 266354</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone please help me with answering the following question?\r<BR>\n" );
document.write( "\n" );
document.write( "As part of an advertising campaign, the Dairy Council is interested in determining the daily intake of milk among adults.  A random sample of 10 adults gave the following results.  (Values are given in ounces.)\r<BR>\n" );
document.write( "\n" );
document.write( "23.0	30.6	20.3	10.1	11.5<BR>\n" );
document.write( "21.8	22.2	26.9	21.0	30.1\r<BR>\n" );
document.write( "\n" );
document.write( "a.  Find x-bar and s for this data set.<BR>\n" );
document.write( "b.  Construct a 99 percent confidence interval for the mean daily intake of milk.  You may assume the daily intake amounts are normally distributed.  (Note:  These results could then be used in later studies to see if the ad campaign is succeeding in increasing the amount of milk adults drink.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #195816 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=195816\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> As part of an advertising campaign, the Dairy Council is interested in determining the daily intake of milk among adults. A random sample of 10 adults gave the following results. (Values are given in ounces.) <BR>\n" );
document.write( "23.0 30.6 20.3 10.1 11.5<BR>\n" );
document.write( "21.8 22.2 26.9 21.0 30.1 <BR>\n" );
document.write( "a. Find x-bar and s for this data set.<BR>\n" );
document.write( "xbar = 21.75 ; s = 6.8295<BR>\n" );
document.write( "E = invT(0.995,9)*6.8295/sqrt(10) = 7.0186<BR>\n" );
document.write( "----------------------------------------------------<BR>\n" );
document.write( "b. Construct a 99 percent confidence interval for the mean daily intake of milk. You may assume the daily intake amounts are normally distributed.<BR>\n" );
document.write( "----<BR>\n" );
document.write( "99% CI: 21.75-7.0186 < u < 21.75+7.0186<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" );