Question

find the median of the following frequency distribution CI 0-20 20-40 40-60 60-80 50-100 Fr 15 18 21 29 17​

Answer 1

Answer:

Cumulative frequency= 15,33,39,50,46(n)

Median = (n/2)th obs + (n/2 +1)/2 because the no is even

(46/2) + (46/2+1)/2

23th obs + 24th obs/2

40+40/2

80/2

The answer is 40