The daily wages (in rupees) of 50 factory workers are given below:
Wages (₹)
200–250
250–300
300–350
350–400
400–450
Number of workers
4
9
15
13
9
(a) Construct the ‘less than’ cumulative frequency table for the data.
(b) Using the cumulative frequencies found in part (a), determine how many workers earn less than ₹350 per day.
(c) Identify the wage class in which the median wage of the workers lies.