Calculate Lower Quartile And Upper Quartile. The lower quartile Q 1 is the median of the lower half of the data. The formula for calculating the upper quartile is Q3.
It is the value of the first quartile Q1. Order your data set from lowest to highest values. Divide 65 by two to get 325.
Aug 04 2015 To find the third or upper quartile of a data set instead find the median of the higher half of numbers in the set.
The upper half of the data set 9 11 14. To calculate the upper quartile first arrange the numbers of the data set in ascending order. The frac. Of the given data set.
