Aresearcher wants to examine the relationship between outside temperature and amount of natural gas used to heat a home. Which of the following statements is most likely true?

Select one:

a.

In a scatterplot, the amount of natural gas used to heat a homeshould be on the vertical axis.

b.

There will be no relationship between the two variables.

c.

The correlation between outside temperature and amount of natural gas used in a home will be positive.

d.

The amount of natural gas used to heat a homeis the explanantory variable.