Frequency Distribution
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.
Find the frequency of Class 100-120 by using the given data:
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| Right Option : C | |||||||||||||||||
| View Explanation | |||||||||||||||||
A random survey of numbers of children of various age group playing in a park was found as follows:
Then the number of children playing between the age group of 10-15 years are ________________. | |||||||||||||||||||
| Right Option : D | |||||||||||||||||||
| View Explanation | |||||||||||||||||||
Given below are the marks secured by 20 students in a test. 20, 26, 49, 44, 12, 17, 22, 10, 5, 47, 33, 32, 23, 34, 45, 16, 4, 8, 21, 28. How many students are there who secured less than 20 marks ? | |||
| Right Option : A | |||
| View Explanation | |||
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