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Interquartile Range: How to Calculate and Visualize IQR
Identify the first and third quartiles. Subtract to find the difference between the upper and lower quartile (Q3 – Q1). Since the interquartile range (IQR) is calculated as the difference ...
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Module 3 (M3) - Handling data - Cumulative frequency and box plots
To find the interquartile range, subtract the value of the lower quartile Q1 from the value of the upper quartile Q3. A school librarian records the number of books borrowed in a school year by ...