Posted by Alyson on .
12) Suppose you know that the standard deviation of a variable is 10, and you have 100 observations, the standard deviation of the mean is

econ 
SraJMcGin,
Try some of the following links for information:
http://www.google.com/search?q=how+to+find+the+standard+deviation+of+the+mean&ie=utf8&oe=utf8&aq=t&rls=org.mozilla:enUS:official&client=firefoxa
Sra