# CBSE Class 9 Answered

**The blood groups of 30 donors in a blood donation camp 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 donors?**

Asked by Topperlearning User | 04 Dec, 2013, 03:34: AM

Expert Answer

Answered by | 04 Dec, 2013, 05:34: AM

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