Answer: A quantitative variable that can take on an uncountable set of values

A continuous variable is defined as a quantitative variable that can take on an uncountable set of values, meaning it can assume any value within a given range. This aligns with statistical definitions where continuous variables are measured rather than counted and can include fractions or decimals (e.g., height, weight, time). Option C correctly captures this definition. Option A is incorrect because continuous variables do not necessarily 'never stop changing'; they can be constant in some contexts. Option B describes a discrete variable, which takes finite or countably infinite values (e.g., number of students). Option D is incorrect as it describes a categorical variable, not a continuous one. The community discussion shows 100% consensus on option A, but this appears to be a misinterpretation; based on standard statistical knowledge, C is the accurate choice.

Author: LeetQuiz Editorial Team