The United Nations Development Programme Website Provides Comparative Data by Country

question 6

Multiple Choice

The United Nations Development Programme website provides comparative data by country on key metrics, such metrics as life expectancy over time. The chart below shows data on life expectancy over time in the United States. Which of the following statements are not true based on the scatterplot of U.S. Life Expectancy over time?

• A) The life expectancy in the U.S. is increasing over time.
• B) U.S. citizens lived fewer years in 2010 than they did in in 2008.
• C) The scatterplot shows an increasing trend in life expectancy in the U.S.
• D) Based on the scatterplot, one can assume the life expectancy in 2014 will be higher than 78 years.
• E) Three of these statements are true.

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Definitions:

Price Effect

The impact on the market when there is a change in the price of goods or services, influencing the supply and demand.

Output Effect

The change in total revenue resulting from the production of additional units of output in a competitive market.

Jointly Maximize

A strategy or action designed to optimize two or more objectives or outcomes at the same time.

Marginal Cost

The cost added by producing one extra unit of a product or service.