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.
A random survey of numbers of children of various age group playing in a park was found as follows. Children playing under the age of 5 year are:
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| Right Option : D | |||||||||||||||||||
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The scores obtained by a group of participants in a game are shown in the table. A participant who scores more than 3 points receives a hamper. If the number of participants who do not receive hampers is twice the number of those who do, find the value of y.
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| Right Option : B | |||||||||||||
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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 | |||
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