The OUTPUT statement creates the CENSTAT data set with six variables
and eight observations. SUM= saves the sum. MEAN= saves the mean. STD= saves
the standard deviation. PCTLPTS= calculates three percentiles. PCTLPRE= specifies
the prefix name.

output out=censtat sum=PopulationTotal mean=PopulationMean
std=PopulationStdDeviation pctlpts=50 to 100 by 25
pctlpre=Pop_ ;