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)

(A B, O)

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

(O, A B)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

(A, O)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

(O, A)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $(A B, O)$
Most common is the one which has occurreded very frequently and the rarest the one which has occurred very few times.
From the given data set $O$ has occurred red very frequently and $A B$ has occurred very few times.
Therefore, the rarest is $A B$ and common is $O$ .
Hence, $(Rarest, Common) = (A B, O)$

Suggest Corrections

Similar questions

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?

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

Question 1
The blood groups of 30 students of Class VIII are recoded 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?

Q. The blood groups of

36

students of IX class are recorded as follows.

$A$	$O$	$A$	$O$	$A$	$B$	$O$	$A$	$B$	$A$	$B$	$O$
$B$	$O$	$B$	$O$	$O$	$A$	$B$	$O$	$B$	$A B$	$O$	$A$
$O$	$O$	$O$	$A$	$A B$	$O$	$A$	$B$	$O$	$A$	$O$	$B$

Represent the data in the form of a frequency distribution table. Which is the most common and which is the rarest blood group among these students?

Join BYJU'S Learning Program

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.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 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)