ICSE Class X Math 2017 Solved Paper

Question : 28

Total: 31

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

Wages (in ₹)	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 2‌cm=₹50 on x-axis and 2‌cm=10 workers on y-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 ₹ 625 daily.

Solution:

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