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01/08/2021 6:30 pm
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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. Which is the most common, and which is the rarest, blood group among these students?
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01/08/2021 6:32 pm
Frequency is the number of students having the same blood group. The frequency is represented in the table or the frequency distribution table:
Blood Group: A, B, O, AB
Number of Students (Frequency): 9, 6, 12, 3
Total = 30
The most common Blood Group is the blood group with highest frequency: O
The rarest Blood Group is the blood group with lowest frequency: AB