Formula To Find Upper And Lower Quartile. Q3 is the upper quartile and n is the number of numbers in your data set. How to Find Interquartile Range.
If the size of the data set is odd do not include the median when finding the first and third. To find the highest and lowest quartiles in a data set first find the median of the entire set of numbers. Add those 2 values and then divide by 2.
X 11 which would give you 8.
For example if you have 10 numbers in your data set you would solve Q3. 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. How to Find the Minimum. 1 st quartile lower quartile 325 2 st quartile median 55 3 st quartile upper quartile 775.
