Algebra-1

Question Analysis
This question tests the understanding of the difference between discrete and continuous variables. The amount of water added to a solution can take any value within a certain range, making it a continuous variable.

Key Concept Explanation
Continuous variables can take any value within a certain interval, and there are infinitely many intermediate values between two numerical values. Examples include time, length, weight, and volume.

Step-by-step Solution
1. Identify the type of data: The amount of water added to a solution can be any real number within a certain range.