Question

Which of the following data sets or plots could have a regression line with a negative slope? Select all that apply.

Select all that apply:

• The number of tons of trash in a landfill as a function of the number of years since it was built.

• The number of loads of trash a dump truck hauls per month as a function of the number of years since it was built.

• The number of tons of trash produced in a city as a function of the population.

• The number of tons of trash hauled to a landfill and a function of the number of tons of recycling that is processed.

Answer 1