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Definition, Solved Example Problems - Percentiles | 11th Statistics : Chapter 5 : Measures of Central Tendency

Chapter: 11th Statistics : Chapter 5 : Measures of Central Tendency

Percentiles

The percentile values divide the frequency distribution into 100 parts each containing 1 percent of the cases.

Percentiles

The percentile values divide the frequency distribution into 100 parts each containing 1 percent of the cases. It is clear from the definition of quartiles, deciles and percentiles

Relationship

 P25 = Q1

 P50 = Median = Q2

 P75 = 3rd quartile = Q3

 

Example 5.35

The following is the monthly income (in 1000) of 8 persons working in a factory. Find P30 income value

10,14, 36, 25, 15, 21, 29, 17

Solutions:

Arrange the data in an ascending order.

 n = 8

 10,14,15,17,21,25,29,36



 

Example 5.36

Calculate P61 for the following data relating to the height of the plants in a garden


Solution:


 

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11th Statistics : Chapter 5 : Measures of Central Tendency : Percentiles | Definition, Solved Example Problems


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