Quartiles in statistics are values that divide your data into quarters. However, quartiles aren’t shaped like pizza slices; Instead they divide your data into four segments according to where the numbers fall on the number line. The four quarters that divide a data set into quartiles are:
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The lowest 25% of numbers.
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The next lowest 25% of numbers (up to the median).
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The second highest 25% of numbers (above the median).
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The highest 25% of numbers.
Example of Chart with a Quartile Line Study
