document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=857348>Question 857348</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The question is : Mean of 20 observations is 17.  If in the observations, observation 40 is replaced by 12, find the new mean. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #516572 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=516572\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The question is : Mean of 20 observations is 17. If in the observations, observation 40 is replaced by 12, find the new mean.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Find the sum of the other 19 observations<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28n+%2B+40%29%29%2F20 ALIGN=MIDDLE  ALT=\"%28%28n+%2B+40%29%29%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 17<BR>\n" );
document.write( "multiply both sides by 20<BR>\n" );
document.write( "n + 40 = 340<BR>\n" );
document.write( "n = 340 - 40<BR>\n" );
document.write( "n = 300<BR>\n" );
document.write( "\"observation 40 is replaced by 12,<BR>\n" );
document.write( "m = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28300+%2B+12%29%29%2F20 ALIGN=MIDDLE  ALT=\"%28%28300+%2B+12%29%29%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "m = 312/20<BR>\n" );
document.write( "m = 15.6 is the new mean<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );