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_ ;