To complete the following procedure, you must be logged on as a member of the Domain Admins security group. On a computer running Windows Small Business Server 2003, click Start, and then click Server Management.
The 'Mean' (Average) is 18.75. (Often rounded to 19) The Median is the 'middle value' in your list. When the totals of the list are odd, the median is the middle entry in the list after sorting the list into increasing order.
You find the mean of a set of data by adding up all the numbers in the data set and then dividing by the number of data points you added up. When someone says average, this is usually what they are talking about. median does refer to the number in the middle of a data set.