Final answer:
The Correct option is 1). The primary purpose of trend projection is to predict future trends by analyzing data and forecasting population and demographic shifts, crucial for strategic planning in government, businesses, and other sectors.
Step-by-step explanation:
The purpose of trend projection is primarily to predict future trends based on an examination of existing patterns and their development over time. By analyzing these trends, geographers can forecast where population shifts may occur, how demographic changes might influence economic development, and which factors could affect population growth or decline. This information is critical for planning in various sectors such as social services, business expansion, and urban development. For example, knowing projected population trends helps decide where to build new schools or expand urban infrastructure. It's essential to realize that this technique often utilizes tools like regression analysis to measure the impact of various factors, making predictions more accurate and reliable.
Population projection is a scientific approach that combines past and present data to make predictions about future population growth or size. These projections are significant because they provide insights into potential economic, social, and educational needs. They also enable businesses and governments to plan strategically for changes in community demographics, recommend solutions for upcoming challenges, and assess the health of world demographics.