Question

Learning by doing
calculate median of the following
marks( less than)
15
30
45
60
75
90
Number students
18
35
62
81
95
100​

Answer 1

madian=l+(n/2-cf)/f*h

median=30+(50-35)/19*15

median=30+(15)/19*15

=30+225/19

30+11.6

=41.6

approximately it is 42