Interdecile Range Calculator

Sorting or splitting a group of data into ten equal parts is called as deciles. The interdecile range is the difference between the first and the 9th decile. By cutting the 10% of the top and bottom values, the interdecile range eliminates the high and low values. The minimum of 10 data values are entered in the ordered data set. The interdecile range calculator calculates the value of minimum values, maximum values, range, total numbers and interdecile range.

Sorting or splitting a group of data into ten equal parts is called as deciles. The interdecile range is the difference between the first and the 9th decile. By cutting the 10% of the top and bottom values, the interdecile range eliminates the high and low values. The minimum of 10 data values are entered in the ordered data set. The interdecile range calculator calculates the value of minimum values, maximum values, range, total numbers and interdecile range.

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Formula:

IDR = D90 - D10 Where, IDR = Interdecile Range D = Decile

Example:

In a college football match, a team played 10 matches and their scores are 10,20,30,40,50,60,70,80,90,100 for each match. Find the interdecile range of the team.

Solution:

From the given data set
The minimum range value is 10
The maximum range value is 100
The total scores in the data set is 10.
The range is 90.
Interdecile Range = 90th decile - 10th decile IDR = 95 – 15
= 80

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