Question

. The blood group of 30 students of class IX are recorded as follows: 3 Marks

A, B, O, O, AB, O, A , O, B , A , O, B, A , O, O,

A, AB, O, A, A, O, O , AB , B , A , O, B, A , B, O
Represent this data in the form of a frequency distribution table.
Which is the most common and which is
the rarest, blood group among these students?​

Answer 1

Answer:

AB is the rearest blood group