Summary statistics for miper dataset :

by Jean Roth , jroth@nber.org , 18 Apr 2016

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      veh_no |        836    1.037081    .7935749          0          8
      per_no |        836    1.066986    .5041728          1          7
     st_case |        836    430246.8    141.8311     430001     430487
          p1 |        836    4.382775    8.430307          0         40
          p2 |        836    4.399522    8.461576          0         42
-------------+---------------------------------------------------------
          p3 |        836    4.229665     8.39503          0         40
          p4 |        836    4.253589    8.381491          0         49
          p5 |        836    4.370813    8.475187          0         46
          p6 |        836    4.311005    8.372691          0         40
          p7 |        836    4.537081    8.438992          0         42
-------------+---------------------------------------------------------
          p8 |        836     4.48445    8.783681          0         51
          p9 |        836    4.166268    8.118722          0         40
         p10 |        836    4.245215    8.371947          0         40

by Jean Roth , jroth@nber.org , 18 Apr 2016