The following table shows the life expectancy by year of birth of females in the United States: (a) Take t = 0 to be the year 1930, and let y be the life expectancy for birth year t . Use the regression capability of a calculating utility to find the regression line of y as a function of t . (b) Use a graphing utility to make a graph that shows the data points and the regression line. (c) Use the regression line to make a conjecture about the life expectancy of females born in the year 2015.
The following table shows the life expectancy by year of birth of females in the United States: (a) Take t = 0 to be the year 1930, and let y be the life expectancy for birth year t . Use the regression capability of a calculating utility to find the regression line of y as a function of t . (b) Use a graphing utility to make a graph that shows the data points and the regression line. (c) Use the regression line to make a conjecture about the life expectancy of females born in the year 2015.
The following table shows the life expectancy by year of birth of females in the United States:
(a) Take
t
=
0
to be the year 1930, and let y be the life expectancy for birth year t. Use the regression capability of a calculating utility to find the regression line of y as a function of t.
(b) Use a graphing utility to make a graph that shows the data points and the regression line.
(c) Use the regression line to make a conjecture about the life expectancy of females born in the year 2015.
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