The blood groups of 36 students of Class IX are recorded as follows: A, O, A, O, A, B, O, A, B, A, B, O, B, O, B, O, O, A, B, O, B, AB, O, A, O, O, O, A, AB, O, A, B, O, A, O, B.
Which is the most common and which is the rarest blood group among these students?

B, AB

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A, AB

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O, AB

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AB, A

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Solution

The correct option is C O, AB
Let's make the frequency distribution table of the given data.

From the table we can see that blood group 'O’ is the most common and blood group ‘AB’ is the rarest among these students.

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Similar questions

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

Q. 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, 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.

Q. 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 .

Which is the most common and which is the rarest blood group among these students?

Answer is in form of (Rarest, Common)

The blood groups of 30 students of Class IX 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 frequency distribution table. Which is the most common, and which is the rarest, blood group among these students?

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?

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The blood groups of 36 students of Class IX are recorded as follows: ​A, O, A, O, A, B, O, A, B, A, B, O, B, O, B, O, O, A, B, O, B, AB, O, A, O, O, O, A, AB, O, A, B, O, A, O, B. Which is the most common and which is the rarest blood group among these students?​

The correct option is C O, ABLet's make the frequency distribution table of the given data. From the table we can see that blood group 'O’ is the most common and blood group ‘AB’ is the rarest among these students.

The blood groups of 36 students of Class IX are recorded as follows: A, O, A, O, A, B, O, A, B, A, B, O, B, O, B, O, O, A, B, O, B, AB, O, A, O, O, O, A, AB, O, A, B, O, A, O, B.
Which is the most common and which is the rarest blood group among these students?

The correct option is C O, AB
Let's make the frequency distribution table of the given data.

From the table we can see that blood group 'O’ is the most common and blood group ‘AB’ is the rarest among these students.