The average life expectancy in the United States, L, has been rising steadily over the past few decades, as shown in the table below. Let t be the number of years since 1920, (so t=0 represents the year 1920). (a) Find the equation of the regression line. Average life expectancy, ?(t)= NOTE: this is a function of t (not x). (b) Estimate the average life expectancy in the United States in the year 1953 according to the linear model in part (a). Average life expectancy in 1953=
The average life expectancy in the United States, L, has been rising steadily over the past few decades, as shown in the table below. Let t be the number of years since 1920, (so t=0 represents the year 1920). (a) Find the equation of the regression line. Average life expectancy, ?(t)= NOTE: this is a function of t (not x). (b) Estimate the average life expectancy in the United States in the year 1953 according to the linear model in part (a). Average life expectancy in 1953=
MATLAB: An Introduction with Applications
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The average life expectancy in the United States, L, has been rising steadily over the past few decades, as shown in the table below. Let t be the number of years since 1920, (so t=0 represents the year 1920).
(a) Find the equation of the regression line.
Average life expectancy, ?(t)=
NOTE: this is a
(b) Estimate the average life expectancy in the United States in the year 1953 according to the linear model in part (a).
Average life expectancy in 1953=
![Year
Life expectancy
1920 1930 1940 1950 1960 1970 1980 1990
57.3 58.8 62 65.5 69.2 70.5 73.7 76.2](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff580a4a2-f14e-4192-8257-f1f791c2898e%2F7e374271-ff33-4bd7-a5be-6a1e1a96cc55%2F799myyo_processed.png&w=3840&q=75)
Transcribed Image Text:Year
Life expectancy
1920 1930 1940 1950 1960 1970 1980 1990
57.3 58.8 62 65.5 69.2 70.5 73.7 76.2
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