1. Get the excel file with GDP per capita data for a cross section of countries in 1960 and 2017 (some countries are missing because the data are not available). The file is available on Canvas. The source for this dataset is The World Bank (databank.workbank.org).

(a) In 2017, what are the 3 richest countries in the world? What are the 3 poorest countries in the world? (

b) In 1960, what are the 3 richest countries in the world? What are the 3 poorest countries in the world?

(c) In 1960, how many times richer was the average person of the richest country than the average person of the poorest country in the world? In 2017, how many times richer is the average person of the richest country than the average person of the poorest country in the world?