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Median In Discrete Series
Steps :
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Arrange the data in ascending or descending order of magnitude.
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Find the cumulative frequencies.
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Apply the formula :
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If 'n' =  (odd) then,
Median = size of  item
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If 'n' = (even) then,
Median = 
Example Locate the median in the following distribution.
Size : 8 10 12 14 16 18 20
Frequency :
7
7
12
28
10
9
6
Solution:
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