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Use data given to find out whether or not there is linear relation between us national health expenditures as 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
2000
13.3
2001
14.1
2002
14.9
i) What is your forecasted value for national health expenditures as percent of GDP for 2010? Determine the 95% confidence interval for your estimate what data have you utilized as the basis of your predictions what suppositions have you made.
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