## 4.5.1 Calculating the range and interquartile range

How do you find the interquartile range? We can find the interquartile range or IQR in four simple steps: Order the data from least to greatest Find the median Calculate the median of both the ## Interquartile Range (IQR): What it is and How to Find it

The formula for finding the interquartile range takes the third quartile value and subtracts the first quartile value. IQR = Q3 – Q1 Equivalently, the interquartile range is the region between the

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## How To Find Interquartile Range

Calculate the interquartile range The interquartile range is found by subtracting the Q1 value from the Q3 value: Q1 is the value below which 25 percent of the distribution lies

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