- A variable that can assume any value within a continuous and infinitely variable range. For instance, the amplitude of an analog signal.
- (written as Continuous Variable)A numerical variable that can in principle take the value of any real number within an interval. Of course, practical measurement constraints may in practice mean that not all possible values are actually observed. Examples include temperature, blood pressure, cholesterol concentration, labour costs, waiting time. Demand curves are generally drawn as continuous or empirically modelled as though they were continuous.