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Use following data to find out whether or not there is the linear realtion between the us national health expenditures as the percent of gross domestic product and time.

YEAR

% GDP

1960

5.1

1970

7

1980

8.8

1990

12

1995

13.4

1997

13.1

1998

13.2

1999

13.2

2000

13.3

2001

14.1

2002

14.9

What is your predicted value for the national health expenditures as the percent of GDP for 2010? Determine the 95 percent confidence interval for your estimate what data have you employed as the basis of your predictions what assumptions have you made.

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