Lower Quartile Range. The upper quartile is the middle value of the upper half. The 3 types of quartiles are.
The following figure shows the median quartiles and interquartile range. First one q1 which is also called the lower quartile is equal to the data at the 25 th percentile of the given set. How to calculate quartiles.
What is the interquartile range of the following data.
The following figure shows the median quartiles and interquartile range. What it basically means is that in a data set with n data points. The upper quartile q 3 is the median of the upper half of the data. The formula for quartiles is given by.
