The daily wages of 80 workers in a project are given below Use a graph paper to draw an ogive for the above distribution.

Question

The daily wages of 80 workers in a project are given below

Wages(in Rs.)	400-450	450-500	500-550	550-600	600-650	650-700	700-750
No.of workers	2	6	12	18	24	13	5

Use a graph paper to draw an ogive for the above distribution. (Use a scale of 2 cm = Rs. 50 on x-axis and 2 cm = 10 workers only-axis). Use your ogive to estimate :

(i) the median wage of the workers.

(ii) the lower quartile wage of workers.

(iii) the number of workers who earn more than Rs.625 daily.

Answer 1

(iii) No. of workers earning more than Rs.625 daily = 80 - 50 = 30