Question

mark obtained no.of students
0-20 15
20-40 18
40-60 21
60-80 29
80-100 17

mode=?
mean=53
median=? [find the median using empirical formula]

Answer 1

Step-by-step explanation:

The mode will come 68..

So on using empirical formula..

Which is 3median=2mean+mode

3median= 2×53+68

Median= (106+68)/3

Median= 174/3

Median= 58..