1.

In a blood donation camp following was the observation of 15 people's blood group. A, B, AB, A, B, A, A, B, O, A, AB, B, A, B, AB. Make an ungrouped frequency distribution and find the rarest blood group. [2 Marks]

Answer»

In a blood donation camp following was the observation of 15 people's blood group. A, B, AB, A, B, A, A, B, O, A, AB, B, A, B, AB. Make an ungrouped frequency distribution and find the rarest blood group. [2 Marks]



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