WEIGHTED AVERAGE is one in which different data in the data set are given different "weights." Varying subjective assumptions are derived for determining the level of importance for each data category. For example, many teachers will use a "weighted average" when calculating a students grade in a course. A teacher might determine the final grade for the course by calculating that the test average is 60% of the grade, quiz average is 30% of the grade, and a single project is 10% of the grade.
MEAN is the measure of central tendency; also called the average. It is calculated by the sum of the data points divided by the number of data points.
MAS is Management Advisory Services.
Enter a term, then click the entry you would like to view.