Data Handling

The weekly wages (in Rs.) of 30 workers in a factory are
830, 835, 890, 810, 835, 836, 869, 845, 898, 890, 820,
860, 832, 833, 855, 845, 804, 808, 812, 840, 885, 835,
835, 836, 878, 840, 868, 890, 806, 840.
Using tally marks, make a frequency distribution table
with class intervals 800 – 810, 810 – 820 and so on.