Question: Scenario: We will return to the World Development Indicators data in WDI. In this scenario, we will investigate the relationship between access to improved sanitation

Scenario: We will return to the World Development Indicators data in WDI. In this scenario, we will investigate the relationship between access to improved sanitation

(the percent of the population with access to sewers and the like) and life expectancy.

The response column is life_exp and the factor is sani_acc.

a. Use the Local Data Filter to Show and Include only the observations for the Year 2015, and the Latin America & Caribbean Region nations. Describe the relationship that you observe between access to improved sanitation and life expectancy.

b. Repeat the analysis for East Asia & Pacific countries in 2010.

c. Repeat the same analysis for the countries located in Sub-Saharan Africa.

d. How do the three regression models compare? What might explain the differences in the models?

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