Frequency Distribution


 
 
Concept Explanation
 

Frequency Distribution

Frequency:

The number of times a particular observation occurs in a given data is called its frequency of an observation.The observation having maximum frequency is known as mode.

Illustration: In a data 7,6,5,5,4,3,2,2,5,1,3 find the frequency of 5.

Solution: Here the frequency of 5  in this data is 3.

Frequency Distribution: 

The tabular arrangement of data sharing their corresponding frequencies is called a frequency distribution. Frequency tells you how often something happened. The frequency of an observation tells you the number of times the observation occurs in the data.

.... (More Text Available, Login?)
Sample Questions
(More Questions for each concept available in Login)
Question : 1

A random survey of numbers of children of various age group playing in a park was found as follows:

Age Group1-22-33-55-77-1010-1515-17
No of Children536129104

Then the number of children playing between the age group of 10-15 years are ________________.

Right Option : D
View Explanation
Explanation
Question : 2

30 children were asked about the number of hours, they watched TV programs in previous week. The results are as follows: 1, 6, 2, 3, 5, 12, 5, 8, 4, 8 10, 3, 4, 12, 2, 8, 15, 1, 17, 6, 3, 2, 8, 5, 9, 6, 8, 7, 14, 12. How many children watch TV more than 5 hours?

Right Option : B
View Explanation
Explanation
Question : 3

A random survey of numbers of children of various age group playing in a park was found as follows. Children playing between the age group of 1-2 years are:

AgeNo. of Children
1 - 25
2 - 33
3 - 56
5 - 712
7 - 109
10 - 1510
15 - 174

 

Right Option : B
View Explanation
Explanation
 
 


Students / Parents Reviews [20]