[PDF] median definition

What does the mean and median tell us?

The mean is the arithmetic average of a group of scores; that is, the scores are added up and divided by the number of scores. Means are better used with larger sample sizes. The median is the middle score in a list of scores; it is the point at which half the scores are above and half the scores are below.

What is the median used for?

The median is usually used for quantitative data, which means the values in the data set are numerical. But you can sometimes also identify the median for ordinal data.

What is the formula to calculate median?

To find the median of two values, you can use the same formula for an even number of values in a data set: Median = {(n/2)th term + [ (n/2) + 1 ] th term} / 2 Example uses of the median formula