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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. Find out which is the most common and which is the rarest blood group among these students |
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Answer» 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
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