Question

9.
The weekly wages (in) of 30 workers in a factory are given:
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
Make a frequency distribution table with intervals as 800-810, 810-820 and
so on, using tally marks. Also, draw a histogram and answer the following
questions:
i) Which group has the maximum number of workers?
ii) How many workers earn 850 and more?
iii) How many workers earn less than 850?​

Answer 1

Answers:

1. Group with wages 830 - 840 has maximum number of workers.
2. 1+3+1+1+4 = 10 workers earn more than 850.
3. 5+9+1+2+3 = 20 workers earn less than 850.