If you do not take any action, you will be defaulted into the Non-tobacco User Surcharge. rate. This is a self reported status, so you should take action to indicate your tobacco. user status, if applicable.
Definition of statistic for English Language Learners. : 1  a number that represents a piece of information (such as information about how often something is done, how common something is, etc.) 2  statistics : a type of mathematics that deals with the study of statistics.
(Redirected from Weighted mean) In colloquial language, an average is the sum of a list of numbers divided by the number of numbers in the list. In mathematics and statistics, this would be called the arithmetic mean. In statistics, mean, median, and mode are all known as measures of central tendency.