In the following DATA step, the size of each sample from the exponential distribution is
increased to 50. The standard deviation of the sampling distribution is smaller than in the
previous example because the size of each sample is larger. Also, the sampling
distribution is even closer to a normal distribution, as can be seen from the histogram
and the skewness.
options nodate pageno=1 linesize=80 pagesize=48;
title '1000 Sample Means with 50 Obs per Sample';
title2 'Drawn from an Exponential ...
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