The values of the slope (rate of increase in total costs) and intercept (institutional costs) are directly related to the population of the country.
The slope and intercept are related to the country's population.
The slope and intercept are not related to population.
We would get a clear idea of how justice works.
Some people are outside walking.
People are eating breakfast.
A man is pushing a child onto the street.
A man is smoking outside.
A man is undergoing an eye exam.