Final answer:
Quantitative variation refers to differences or variations in measurable traits or characteristics. It involves the use of numerical data to describe and analyze these variations.
Step-by-step explanation:
Quantitative variation refers to differences or variations in measurable traits or characteristics. It involves the use of numerical data to describe and analyze these variations. For example, in a population of plants, quantitative variation can be seen in the height, weight, or number of leaves of individual plants. These variations can be measured and analyzed using statistical methods to understand patterns and trends.