Final answer:
The crude birth rate of a population is a measure that quantifies the number of live births in a year for every 1,000 people alive in the society. It is usually expressed on a per capita basis and helps researchers understand the overall population growth occurring in a society.
Step-by-step explanation:
The crude birth rate of a population is a measure that quantifies the number of live births in a year for every 1,000 people alive in the society. It is usually expressed on a per capita basis, with the formula B = bN, where B is the birth rate, b is the per capita birth rate, and N is the number of individuals.
The crude birth rate helps researchers understand the overall population growth occurring in a society.