03
May
How Do I Find Interquartile Range. Thats the easy way to find the interquartile range in statistics. 5 10 12 15 20 25 27 30 35. 1 3 4 5 5 6 7 11. We can find the interquartile range or IQR in four simple steps.
It is expressed as IQR Q 3 - Q 1. Simply remove the first quartile from the third one. 5 10 12 15 20 25 27 30 35. Q1 is the value below which 25 percent of the distribution lies while Q3 is the value below which 75 percent of the distribution lies. If you have a boxplot see this article to find the interquartile range. IQR Q3 Q1 Equivalently the interquartile range is the region between the 75th and 25th percentile 75 25 50 of the data.
These values are quartile 1 Q1 and quartile 3 Q3.
To identify the interquartile range of a set of data simply subtract the first quartile from the third quartile as follows. Q1 is the middle value in the first half of the data set. Simply remove the first quartile from the third one. Calculate the interquartile range The interquartile range is found by subtracting the Q1 value from the Q3 value. This article does tell you the steps. According this this and this I tried 3 solutions to do this.