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 table with intervals as 800-810, 810-820 and so on.


who will tell this first I will make him brilliant and I will follow him​