Survey Results:
- Economics: 45 students
- Statics: 30 students
- Sociology: 52 students

Explanation:
The survey conducted among 100 students revealed the number of students studying economics, statics, and sociology. Let's analyze each subject in detail.

Economics:
Out of the 100 students surveyed, 45 students studied economics. This indicates that economics is a popular subject among the students. The study of economics involves the analysis of production, distribution, and consumption of goods and services. It provides insights into how individuals, businesses, and governments make decisions regarding resource allocation. Economics is a fundamental subject that equips students with analytical and problem-solving skills.

Statics:
The survey found that 30 students studied statics. Statics is a branch of mathematics that deals with the study of forces and their effects on physical systems that are in a state of equilibrium. It is an important subject for students pursuing fields such as engineering, physics, and architecture. Statics helps students understand the principles behind the stability and balance of structures, including bridges, buildings, and machines.

Sociology:
52 students were found to be studying sociology. Sociology is the scientific study of society, social behavior, and social interactions. It explores various aspects of human society, including social structures, institutions, and the processes that shape and influence human behavior. Sociology helps students develop a deeper understanding of social issues, inequalities, and patterns of human interaction. It equips them with critical thinking and research skills necessary for analyzing and addressing social problems.

Conclusion:
The survey results indicate that economics, statics, and sociology are popular subjects among the surveyed students. Each subject provides unique knowledge and skills that are valuable for different fields of study and career paths. Understanding these subjects can contribute to a well-rounded education and enhance students' abilities to analyze and solve real-world problems.