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.
The mean is the grand total divided by the number of data points. The median is the middle value in a sample sorted into ascending order. If the sample contains an even number of values, the median is defined as the mean of the middle two.