Home
Class 9
MATHS
The blood groups of 30 students of Class...

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

Text Solution

Verified by Experts

The correct Answer is:
Most common blood group is 'O' and Rarest blood group is ‘AB'.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • STATISTICS

    SWAN PUBLICATION|Exercise EXERCISE 14.3|17 Videos

  • STATISTICS

    SWAN PUBLICATION|Exercise EXERCISE 14.4|7 Videos

  • STATISTICS

    SWAN PUBLICATION|Exercise Objective Type Questions (Fill in Blanks:) |1 Videos

  • QUADRILATERALS

    SWAN PUBLICATION|Exercise Objective Type Questions ( Fill in the Blanks)|10 Videos

  • SURFACE AREAS AND VOLUMES

    SWAN PUBLICATION|Exercise Objective Type Questions (Fill in the Blanks ) |7 Videos

Similar Questions

Explore conceptually related problems

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. Use this table to determine the probability that a student of this class, selected at random, has blood group AB.

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. Use this table to determine the probability that a student of this class, selected at random, has blood group AB.

Write the genotypes of men with blood group AB and O.

What will be the blood groups of following genotypes? I^B I^O

What will be the blood groups of following genotypes? I^O I^O

Can a child have blood group 'O' if his parents have blood group 'A' and 'B'. Explain.

If U= {a, e, i, o,u}, A= {a, e, i}, B= {e, o, u}, C = (a, i, u}, then: What is A uu U?

If U= {a, e, i, o,u}, A= {a, e, i}, B= {e, o, u}, C = (a, i, u}, then: What is A nn U?

If U= {a, e, i, o,u}, A= {a, e, i}, B= {e, o, u}, C = (a, i, u}, then: What is A nn phi ?

Functional group of monocarboxylic acids is : − O H, − C H O, − C O O H. − C O O R

Home
Profile