Lower Quartile Formula For Even Data. Find the iqr by subtracting q 1 from q 3. Add those 2 values and then divide by 2.
13 14 18 21 so. Data 2 4 5 5 7 8 8 9. Find the median of the data set and label it as q2.
N total frequency.
A short video to show the different methods of finding the upper and lower quartiles when the data sets are odd and even. Iqr q 3 q 1. A short video to show the different methods of finding the upper and lower quartiles when the data sets are odd and even. The median splits the data set into lower and upper halves and is the value of the second quartile q 2.
