The term "15-20" typically refers to a range of numbers between fifteen and twenty. This range can be used in various contexts, such as counting items, measuring distances, or indicating time. It represents a small group of integers that can be useful in everyday situations, like estimating quantities or setting limits. In mathematics, the numbers 15 and 20 are both whole numbers and can be classified as integers. The range includes 16, 17, 18, and 19, making it a total of six distinct values. This range is often used in statistics, surveys, and data analysis to categorize responses or results.