The answer is "central tendency".
A measure of central tendency refers to a single value that portrays the manner by which a gathering of information group around a focal esteem. To put as such, it is an approach to portray the focal point of an informational collection.
Central tendency is extremely valuable in psychology. It tells us what is typical or 'normal' for an arrangement of information. It additionally consolidates the informational collection down to one delegate esteem, which is helpful when you are working with a lot of information.