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The blood groups of 30 students of Class...

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?

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To solve the problem, we need to create a frequency distribution table for the blood groups of the 30 students and identify the most common and rarest blood groups. ### Step-by-step Solution: 1. **List the Blood Groups**: We first need to identify the unique blood groups from the given data. The blood groups present are A, B, O, and AB. 2. **Count the Frequency of Each Blood Group**: ...
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