Frequencies for minute variable in accident dataset :

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        138       28.22       28.22
          5 |          8        1.64       29.86
         10 |         21        4.29       34.15
         15 |         55       11.25       45.40
         20 |         19        3.89       49.28
         25 |         11        2.25       51.53
         30 |        125       25.56       77.10
         35 |          7        1.43       78.53
         37 |          1        0.20       78.73
         40 |         21        4.29       83.03
         45 |         49       10.02       93.05
         50 |         26        5.32       98.36
         55 |          8        1.64      100.00
------------+-----------------------------------
      Total |        489      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016