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.
The median is the middle value within a set of values arranged in numerical order. When a set has an even number of values, the median is determined by calculating the mean between the two most central values. The mode is the number that is repeated most often within a set of values.