"Mel" <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>... > I can see that I was assuming the empirical rule is an exact value > when it's really only an estimate. So the greater the population the more > precise the empirical rule is
Not so. Adding observations does /not/ make a distribution less skew, for example. The chance for each observation to lie below any particular value is unchanged by the number of observations. What (usually) becomes more normal with sample size is the sample average, but the original distribution, no. Glen . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
