3.) The World Bank collects information on the life expectancy of a person in each country ("Life expectancy at," 2013) and the fertility rate per woman in the country ("Fertility rate," 2013). The data for 24 randomly selected countries for the year 2011 are in table # 10.1.7. Create a scatter plot of the data and find a linear regression equation between fertility rate and life expectancy. Then use the regression equation to find the life expectancy for a country that has a fertility rate of 2.7 and for a country with fertility rate of 8.1. Which life expectancy that you calculated do you think is closer to the true life expectancy? Why? Table # 10.1.7: Data of Fertility Rates versus Life Expectancy Lif Fertility Rate e 1.7 5.8 2.2 2.1 1.8 2.0 2.6 2.8 1.4 2.6 1.5 6.9 2.4 1.5 2.5 1.4 2.9 2.1 4.7 6.8 5.2 4.2 1.5 3.9 Expectan су 77.2 55.4 69.9 76.4 75.0 78.2 73.0 70.8 82.6 68.9 81.0 54.2 67.1 73.3 74.2 80.7 72.1 78.3 62.9 54.4 55.9 66.0 76.0 72.3
3.) The World Bank collects information on the life expectancy of a person in each country ("Life expectancy at," 2013) and the fertility rate per woman in the country ("Fertility rate," 2013). The data for 24 randomly selected countries for the year 2011 are in table # 10.1.7. Create a scatter plot of the data and find a linear regression equation between fertility rate and life expectancy. Then use the regression equation to find the life expectancy for a country that has a fertility rate of 2.7 and for a country with fertility rate of 8.1. Which life expectancy that you calculated do you think is closer to the true life expectancy? Why? Table # 10.1.7: Data of Fertility Rates versus Life Expectancy Lif Fertility Rate e 1.7 5.8 2.2 2.1 1.8 2.0 2.6 2.8 1.4 2.6 1.5 6.9 2.4 1.5 2.5 1.4 2.9 2.1 4.7 6.8 5.2 4.2 1.5 3.9 Expectan су 77.2 55.4 69.9 76.4 75.0 78.2 73.0 70.8 82.6 68.9 81.0 54.2 67.1 73.3 74.2 80.7 72.1 78.3 62.9 54.4 55.9 66.0 76.0 72.3
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 76E
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