Mode
The most frequently occurring value in a dataset.
The mode is the value that appears most often. For {2, 3, 3, 4, 5}, the mode is 3. A dataset can have multiple modes (bimodal, multimodal) or no mode at all if every value is unique. Mode is most useful for categorical data — the most common shoe size, the most popular color choice, or the most frequent customer complaint. For continuous numerical data, mean and median are usually more informative.
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