Which of the following is a measure of dispersion?

Range is indeed a measure of dispersion, which describes the spread of values in a dataset. It is calculated by subtracting the smallest value from the largest value, thus providing insights into how much variation exists in the dataset. A larger range indicates more variability among the data points, while a smaller range suggests that the values are closer together.

The other options, while important measures of central tendency, do not provide information about dispersion. The median represents the middle value when the data is ordered, the mode identifies the most frequently occurring value, and the mean is the average of all values in the dataset. Although they are useful for understanding the overall characteristics of the data, they do not reflect how spread out the values are, which is why the range is the correct choice for a measure of dispersion.