[R] sample mean, variance and SD

parvez_200207 parvez.rana at uef.fi
Sat Nov 10 19:23:23 CET 2012


hi
could you help me to solve this issue

Question:
Using command rweibull(100,8,15), simulate n = 100 realizations from
Weibull(8; 15) distribution. Using the simulated sample, compute the sample
mean, variance and standard deviation of these observations.

I am trying like this

sim<-rweibull(100,8,15) # simulated sample
SM<-mean(sim) # simulated sample mean
var(sim)      # variance
sd(sim)       #SD

Thank you in advance.

Parvez



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