On Fri, 05 Mar 2004 17:18:14 +0100, Mark <[EMAIL PROTECTED]> wrote: > Hello, > > What would you call a statistic b > > b = sum(x^2)/N > > where b is the statistic to be calculated > x is an N times oberved value and sum(x^2) the sum of all > observed values of x^2 > N is the number of observations > > It looks like a variance, but mean(x) <> 0. So, it isn't a > variance. What is a common name for this statistic? >
(average) second moment ? -- Rich Ulrich, [EMAIL PROTECTED] http://www.pitt.edu/~wpilib/index.html - I need a new job, after March 31. Openings? - . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
