A continuous variable is a variable that can take an infinite number of possible values between any two observed values. It is usually measured rather than counted; and, may represent measurements even in the form of fractions or decimals, So, the continuousvariable forms an interval on the number line e.g., height of a category of people, time taken by individuals to complete a task, Blood Pressure readings, , etc. A continuous variable is the opposite of a discrete variable, which can only take on a certain number of values. Intelligence (IQ) is given in exact number; so, it is a discrete variable.