The world is a constantly changing place, but in what ways is it changing? Test at an α=0.05 level, for is there a significant correlation between year and life expectancy A.) What type of test are you doing & what conditions are need to be for that test? Whats the Null and Alternative hypothesis? State the P-value = _________ Conclusion of what the results imply about the potential relationship between year and life expectancy. B.) part 1 Find the regression equation and use it to predict the life expectancy in 2019. B.) part 2 The last data point is that the United States had a life expectancy of 78.831 years in the year 2019. Using your answer from the B. part 1. and this data point, what is the residual for the United States in 2019?

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Entity Year Life expectancy
United States 1975 72.333
Saint Barthlemy 1974 66.992
Brazil 1992 67.141
Germany 1965 70.364
British Virgin Islands 2013 78.096
Belgium 2010 80.072
Moldova 1970 65.045
Namibia 1969 52.163
Jamaica 2010 74.038
Puerto Rico 2004 77.16
Mongolia 1970 55.364
Nigeria 1983 46.023
Egypt 2015 71.302
Dominican Republic 1986 65.065
Uruguay 2009 76.603
Turkey 1974 54.741
Tanzania 2019 65.456
American Samoa 1960 66.187
Palestine 1961 49.888
Reunion 1962 57.371
Gambia 1986 50.577
South Sudan 2004 51.095
Georgia 1959 63.248
Netherlands 1996 77.642
Macao 2002 80.87
Germany 1984 74.074
Cameroon 2001 51.222
United Kingdom 2014 80.978
Japan 1998 80.656
South Sudan 2009 54.219
Greenland 1980 63.063
Vietnam 1951 52.262
Singapore 1977 70.828
Israel 1983 74.755
Bangladesh 1976 49.402
United Arab Emirates 1991 72.208
United Kingdom 1992 76.111
Costa Rica 1960 60.381
Morocco 1995 66.846
Belgium 1986 74.867
United States 2019 78.831

The world is a constantly changing place, but in what ways is it changing?
Test at an α=0.05 level, for is there a significant correlation between year and life expectancy

A.)
What type of test are you doing & what conditions are need to be for that test?
Whats the Null and Alternative hypothesis?
State the P-value = _________
Conclusion of what the results imply about the potential relationship between year and life expectancy.

B.) part 1
Find the regression equation and use it to predict the life expectancy in 2019.

B.) part 2
The last data point is that the United States had a life expectancy of 78.831 years in the year 2019. Using your answer from the B. part 1. and this data point, what is the residual for the United States in 2019?

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