Explanation:

- The objective method:

- Views social class as a statistical category.

- Formed by sociologists/statisticians.

- Based on income, occupation, education, or a combination.

- Correct Answer.

- The combined approach:

- Integrates multiple methods for a nuanced understanding.

- The reputational method:

- Relies on how people classify others.

- Uses community opinions.

- The self-placement method:

- Involves individuals identifying their own social class.

- Based on personal perception.