Question

Recent statistics state that the average life expectancy for an American is a little over 78 years.

Answer 1

Answer:

demographic

Explanation:

Recent statistics state that the average life expectancy for an American is a little over 78 years.

The sentence above refers to demographic factors that can affect family responsibilities.

Demographic factors refer to the a country's age, income and other physical factors which can be calculated by running a regression.

Therefore the average number of years that an american can lives falls under the demographic factors.