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