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.
Definition of Median: The median of a data set is the middle number when the set is sorted in numerical order. Since there was an odd number of data points above, going to the center to find 9 was easy. In an even-numbered data set, you take the mean of the middle two numbers.