A relationship between two variables is described below. We can think of one variable as helping to explain the other. Is the indicated variable the explanatory variable or the response variable? Lung capacity and number of years smoking cigarettes. Lung capacity is the:

Lung capacity is the response variable.                                                

Step-by-step explanation:

" Lung capacity and number of years smoking cigarettes. "

Explanatory or response variable:

The response variable is also known as dependent variable.Any change in the dependent variable is explained by the independent variable.The explanatory variable is the independent variable.Explanatory variable is the free variable.

Since the lung capacity depends on the number of smoking years that is change in lung capacity can be explained by the change in the number of smoking years.

So, lung capacity is the dependent variable that is the response variable.

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