Upper And Lower Quartile. The median divides the data into a lower half and an upper half. Quartiles divide a set of numbers into four equal parts.
To find the highest and lowest quartiles in a data set first find the median of the entire set of numbers. Feb 23 2018 Similarly to see the 3rd quartile look at only the data values that are greater than the median. May 12 2014 Quartiles are numbers used to divide a set of data into four equal parts or quarters.
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The upper quartile is calculated by determining the. To report all the quartiles together we list the five number summary minimum 1st quartile median 3rd quartile and maximum. There are three quartiles. 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.
