Hi Rolf Turner , God, it directed to the wrong page.
I firstly find the formula in wiki, than tried to verify the answer in R, now, given that 143/12 ((n^2-1)/12 ) is the correct answer for a discrete uniform random variable, I am still not sure what R is calculating there? why it gives me 13? Thanks! -- View this message in context: http://n4.nabble.com/variance-of-discrete-uniform-distribution-tp1585328p1585355.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
