# Question

The following data represent health care expenditures as a percentage of the U.S. gross domestic product (GDP) from 2001 to 2009. Gross domestic product is the total value of all goods and services created during the course of the year.

Year ..... Health Care as a Percent of GDP

2001 ...... 14.5

2002 ...... 15.3

2003 ...... 15.8

2004 ...... 15.9

2005 ...... 16.0

2006 ...... 16.0

2007 ...... 16.2

2008 ...... 16.2

2009 ...... 17.3

(a) Construct a time-series plot that a politician would create to support the position that health care expenditures, as a percentage of GDP, are increasing and must be slowed.

(b) Construct a time-series plot that the health care industry would create to refute the opinion of the politician. Is your graph convincing?

(c) Construct a time-series plot that is not misleading.

Year ..... Health Care as a Percent of GDP

2001 ...... 14.5

2002 ...... 15.3

2003 ...... 15.8

2004 ...... 15.9

2005 ...... 16.0

2006 ...... 16.0

2007 ...... 16.2

2008 ...... 16.2

2009 ...... 17.3

(a) Construct a time-series plot that a politician would create to support the position that health care expenditures, as a percentage of GDP, are increasing and must be slowed.

(b) Construct a time-series plot that the health care industry would create to refute the opinion of the politician. Is your graph convincing?

(c) Construct a time-series plot that is not misleading.

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