Lower Quartile Range. Order your data set from lowest to highest values. Interquartile range upper quartile lower quartile 47 38 9 cm.
9 15 18 22 33 38 39. So now we have enough data for the box and whisker plot. What it basically means is that in a data set with n data points.
The lower quartile is the middle value of the lower half.
The 3 types of quartiles are. 9 15 18 22 33 38 39. First one q1 which is also called the lower quartile is equal to the data at the 25 th percentile of the given set. N 1 1 4 th term is the lower quartile.
