IQR (Interquartile Range)

IQR (Interquartile Range)

The IQR or interquartile range involves dividing a group of data points into four parts or "quartiles." It is used to calculate the difference between the third quartile and the first quartile. A quartile is 25% of the data. The difference between the first and third quartiles represents 50% of the data. We use median values to determine this. If you need a refre...