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.
How to Find the Mean. The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
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.