2) With advances in health practices and standards of living, life expectancy has been increasing in most developed countries since the beginning of the 20h century. The table below shows the average life expectancies, in years, of Canadians from 1900-2010. Year Life Expectancy 47.3 (Years) 1900 1910 | 1950 1920 1930 1970 1990 2010 50.0 54.1 59.7 68.2 70.8 75.4 78.7 a. Let x represent time in decades with x = 1 for 1900, x = 2 for 1910, and so on. Let y represent the corresponding life expectancy. Use logarithmic regression to determine an equation that fits this data (Round the numbers to 4 decimal places) b. Use the non-rounded regression equation to determine the life expectancy in 2030. c. What year did the life expectancy surpass 60?
2) With advances in health practices and standards of living, life expectancy has been increasing in most developed countries since the beginning of the 20h century. The table below shows the average life expectancies, in years, of Canadians from 1900-2010. Year Life Expectancy 47.3 (Years) 1900 1910 | 1950 1920 1930 1970 1990 2010 50.0 54.1 59.7 68.2 70.8 75.4 78.7 a. Let x represent time in decades with x = 1 for 1900, x = 2 for 1910, and so on. Let y represent the corresponding life expectancy. Use logarithmic regression to determine an equation that fits this data (Round the numbers to 4 decimal places) b. Use the non-rounded regression equation to determine the life expectancy in 2030. c. What year did the life expectancy surpass 60?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Transcribed Image Text:2) With advances in health practices and standards of living, life expectancy has been
increasing in most developed countries since the beginning of the 20h century. The table
below shows the average life expectancies, in years, of Canadians from 1900-2010.
1930
Year
| 1900
|1910
| 1950
1970
1990
1920
2010
Life
Expectancy 47.3
(Years)
50.0
54.1
59.7
68.2
70.8
75.4
78.7
a. Let x represent time in decades with x = 1 for 1900, x = 2 for 1910, and so on.
Let y represent the corresponding life expectancy. Use logarithmic regression to
determine an equation that fits this data (Round the numbers to 4 decimal
places)
b. Use the non-rounded regression equation to determine the life expectancy in
2030.
c. What year did the life expectancy surpass 60?
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