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.
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Provided the frequency distribution table in the given attachment -
As you can see in the attachment-
Blood group in the First column
Tally in the Second column
A number of students in the Third column.
Number of students with "A" group = 9
Number of students with "B" group = 6
Number of students with "AB" group = 3
Number of students with "O" group = 12
Total number of students -
= 9 + 6 + 3 + 12 = 30
Finding Most common Blood Group -
Most common Blood Group is the blood group with the maximum number of students = "O"
Finding Rarest Blood Group -
Rarest Blood Group is the blood group with a minimum number of students. = "AB".
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