(a) Simulate a random sample of n = 1000 observations from the exponential distribution with mean 1. (b) Compute and save the sample average of the random sample in (a).
(c) Repeat (a)-(b) 4000 times.
(d) Plot the histogram of the 4000 values for the sample average resulted from (a)-(c).
(e) Report the sample mean, sample variance of the 4000 values.
其实就是想用STATA感受一下大数定律,完全菜鸟,求大神指点


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