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.
A parameter is a number that describes the population. Usually its value is unknown. A statistic is a number that can be computed from the. sample data without making use of any unknown. parameters. In practice, we often use a statistic to estimate an. unknown parameter.