Q. 1.     The blood groups of 30 students of Class VIII 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?

Answers (1)

The representation of the given data in the form of a frequency distribution table is as follows.

From the table we can see that O is the most common and AB is the rarest blood group.

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