Question

The blood group of 30 students of class 8 are recorded as follows :
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?


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Answer 1

Answer:

AB is the rarest blood group