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The blood groups of 30students 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. |
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Answer» It can be observed that 9 students have their blood group as A, 6 as B, 3 as AB, and 12 as O. Therefore, the blood group of 30 students of the class can be represented as follows. It can be observed clearly that the most common blood group and the rarest blood group among these students is O and AB respectively as 12 (maximum number of students) have their blood group as O, and 3 (minimum number of students) have their blood group as AB. |
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