How do I use the Interquartile Range (IQR)?

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Home › Calculators › Statistics & Probability › Interquartile Range (IQR)

Calculate the range between the 25th and 75th percentiles.

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Measuring Spread: Range, Variance, and Standard Deviation

Go beyond the average — learn to quantify how consistent or volatile your data is using range, IQR, variance, and standard deviation.

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