The blood groups of 30 students are recorded as follows:
$A, B, O, A, A B, O, A, O, B, A, O, B, A, A B, B, A,$
$A B, B, A, A, O, A, A B, B, A, O, B, A, B, A$
What are the frequency distribution for the data $A$ and $A B$ ?

10, 2

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11, 2

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12, 4

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13, 5

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Solution

The correct option is C $12, 4$
Frequency is the number of times the data has occured in the data set.

The frequency of the data $A$ is $12$ . Since, $A$ has occured $12$ times in the given data set.

Similarly $A B$ has occured $4$ times in the data set. Therefore the frequency of $A B$ is $4$

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Question 1
The blood groups of 30 students are recorded as follows
A, B, O, A, AB, O, A, 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 of Class VIII are recorded as follows:
$A, B, O, O, A B, O, A, O, B, A, O, B, A, O, O,$
$A, A B, O, A, A, O, O, A B, B, A, O, B, A, B, O$ .
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?

Q. 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.
By representing this data in a frequency distribution table, find out the most common and the rarest blood group among these students.

Q. 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. Find out which is the most common and which is the rarest blood group among these students.

The blood groups of 30 students of a class are recorded as under
A, B, O, O, AB, O, A, O, A, B, O, B, A, O, O, A, AB, O, A, A, O, AB, B, A, O, B, A, B, O.
(i) Represent this data in the form of a frequency distribution table.

(ii) Find out which is the most common and which is the rarest blood group among these students.

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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,AWhat are the frequency distribution for the data A and AB ?

The correct option is C 12,4Frequency is the number of times the data has occured in the data set.The frequency of the data A is 12. Since, A has occured 12 times in the given data set.Similarly AB has occured 4 times in the data set. Therefore the frequency of AB is 4

The blood groups of 30 students are recorded as follows:
$A, B, O, A, A B, O, A, O, B, A, O, B, A, A B, B, A,$
$A B, B, A, A, O, A, A B, B, A, O, B, A, B, A$
What are the frequency distribution for the data $A$ and $A B$ ?

The correct option is C $12, 4$
Frequency is the number of times the data has occured in the data set.

The frequency of the data $A$ is $12$ . Since, $A$ has occured $12$ times in the given data set.

Similarly $A B$ has occured $4$ times in the data set. Therefore the frequency of $A B$ is $4$