Upper And Lower Quartile Formula. Average of 7th and 8th terms. If the size of the data set is odd do not include the median when finding the first and third quartiles.
What it basically means is that in a data set with n data points. 19 20 21 23 23 24 25 27 31. Use the quartile function to get the quartile for a given set of data.
Q1 2 75 term.
Third quartile q3 3 n 1 4 th term also known as the upper quartile. Use the quartile function to get the quartile for a given set of data. For example if you have 10 numbers in your data set you would solve q3 10 1 then solve x 11 which would give you 8. 40 45 50 55 56 69 75 77 88 90.
