The Third Quartile Calculator. Free upper quartile third quartile Calculator - find the Upper Quartile Third Quartile of a data set step-by-step This website uses cookies to ensure you get the best experience. Quartile formula for grouped data Quartiles are the values of arranged data which divide whole data into four equal parts.
Here Q1 is first quartile Q2 is second quartile and Q3 is third quartile. There are several different methods for calculating quartiles. 1 This calculator uses a method described by Moore and McCabe to find quartile values.
Enter data separated by commas or spaces.
This means that about 75 of the numbers in the data set lie below Q3 and about 25 lie above Q3. Enter data separated by commas or spaces. Mathematically it is obtained when the 1st quartile is subtracted from the 3rd quartile. You can also copy and paste lines of data from spreadsheets or text documents.
