12+ Interquartile Range In Math PNG. To find the interquartile range (iqr), first find the median (middle value) of the lower and upper half of the data. A more practical example of this could be the grades of a math class.
Visit byju's to learn the formula, semi in statistics, the interquartile range is the smallest of all the measures of dispersion. The median of a set of data separates the set in half. Definition of interquartile range, from the stat trek dictionary of statistical terms and concepts.
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Then test your knowledge with worksheets and online exercises. The interquartile range of an observation variable is the difference of its upper and lower quartiles. Learn about the interquartile range (iqr), the difference between the first and third quartiles, and see example calculations for the iqr. Solved examples on range and interquartile range: