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Quartiles Q1, Q2, Q3 of the series of distributing class intervals - calculator


With this statistical calculator, you will learn how to calculate the lower quartile, middle quartile, and upper quartile of an interval resolution series.

To get the result, enter the intervals separated by "-" eg 10-20 and frequency.

See also:
  • Mode of the series of distributing class intervals
  • Median of the interval distributive series
  • Arithmetic mean of the interval distributive series



  • Quartiles Q1, Q2, Q3 of the interval series

    class intervals frequency













    Quartiles information



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