Question

find out the mode of the following series by grouping method daily wages 100,110,120,130,140,150 and the no of workers 2,4,8,10,5,4​

Answer 1

60N = 15 

Median = size of (N+12)th item

    or, M = size of (15+12)th item

    or, M = size of 8th item

    ⇒  M = 23

Therefore, the median marks in the economics paper is 23