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  • The blood groups of 30 students are recorded as follows: A, B, O, A, AB, O, A, O, B, A, O, B, A, AB, B, A, AB, B, A, A, O, A, AB, B, A, O, B, A, B, A Prepare a frequency distribution table for the data.

The blood groups of 30 students are recorded as follows:

A, B, O, A, AB, O, A, O, B, A, O, B, A, AB, B, A, AB, B, A, A, O, A, AB, B, A, O, B, A, B, A

Prepare a frequency distribution table for the data.

Answers (1)

Given data :

A, B, O, A, AB, O, A, O, B, A, O, B, A, AB, B, A, AB, B,

A, A, O, A, AB, B, A, O, B, A, B, A

This can be arranged as:

A, A, A, A, A, A, A, A, A, A, A, A

B, B, B, B, B, B, B, B

AB, AB, AB, AB

O, O, O, O, O, O

Frequency Table can be represented as:

Blood group Frequency distribution table
A 12
B 8
AB 4
O 6
Total 30

Hence, we can be observed clearly that the most common blood group is (A) and least common is (AB).

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infoexpert23

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