12+ Interquartile Range Box Plot Calculator Gallery. There are several different methods for calculating quartiles. This calculator uses a method described by moore and mccabe to find quartile values.
The distance between the first and third quartiles of a data set.
For the given set of data, the calculator will find the interquartile range (iqr), with steps shown. It is the difference between the highest and the lowest value. For the quartiles, drag the point on the curve to place them appropriat… where should the median and quartiles be? Calculates interquartile range for a sample;