STATISTICS FOR DATA ANALYTICS - 6
Measure of POSITION : -
QUARTILES
PERCENTILES
INTERQUARTILE RANGE
QUARTILES : -
It defines a particular part of a data set, meaning it determines how many values in a distribution are above or below a certain limit.
4 equal parts :- .
25 - Q1
50 - Q2
75 - Q3
100 - Q4
PERCENTILES :-
IT is a value below which a certain percentage of data lie.
X % of value are present under X percentile. ( X can be any value from 0 to 100. )
INTERQUARTILE RANGE
It is used to find the range between second and third quartiles, and gives the range of the middle half of a data set.
What are outliers?
It is an extreme value in a dataset, which can affect the central tendency.
IQR = Q3-Q1
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