In a set of data, the mode is the most frequently observed data value. There may be no mode if no value appears more than any other. There may also be two modes(bimodal), three modes (trimodal), or four or more modes (multimodal).
Finding the Mode. To find the mode, or modal value, it is best to put the numbers in order. Then count how many of each number. A number that appears most often is the mode.