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The mode is a type of descriptive statistic that researchers commonly use to characterize the data from their studies. Along with the mean (average) and median, the mode constitutes one of the measures of central tendency—a general term for a set of values or measurements located at or near the middle of the data set. The mode is calculated as the most frequently occurring value within a set of observations.

For example, in a data set containing the values 1, 1, 2, 3, 4, 5, 6, 7, 8, and 9, the mode would be the value 1, as it is the value within the data set that appears most often. However, a data set can have more than one mode, in which case, it is bimodal ...

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