What Is the Mode in Statistics?
The mode is the value that appears most often in a data set. In 2, 3, 3, 5, 8 the mode is 3. A data set can have one mode, several modes (bimodal or multimodal), or no mode if every value appears the same number of times.
When the Mode Is Useful
The mode is the only common average that works for categorical data, such as the most frequently chosen option in a survey or the most common shoe size sold.
Mean, Median, and Mode Together
In a perfectly symmetrical distribution the three are equal; in skewed data they separate, which itself indicates the shape of the data.
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Last updated: September 27, 2026. This definition is for general educational purposes only. It is not financial, investment, tax, legal, or medical advice, and it does not recommend any product or course of action. For decisions about your own situation, consult a qualified professional.