I need help solve a word problem; 1992 the life expectancy of males in a certain country was 72.2 years. in 1997, it was 74.7 years. let e represent the life expectancy in year t and let t represent the number of years since 1992. what is the linear function the fits the data E(t)=?+? and want would the life expectancy be for males in 2003 E(14)=?

Question

I need help solve a word problem; 1992 the life expectancy of males in a certain country was 72.2 years. in 1997, it was 74.7 years. let e represent the life expectancy in year t and let t represent the number of years since 1992.  what is the linear function the fits the data E(t)=?+? and want would the life expectancy be     for males in 2003 E(14)=?

alexwee123 · Answer

there is a similar problem like this http://openstudy.com/users/alexwee123#/updates/4fcaf583e4b0c6963ad4bcde

alexwee123 · Answer

but the general steps are to get 2 points from the info, find the slope of the 2 points, then use the slope and either of the 2 points to find the linear regression model by using the point slope formula or some other method