Question 1.46

1.46 Gross domestic product for 189 countries.

gdp

The gross domestic product (GDP) of a country is the total value of all goods and services produced in the country. It is an important measure of the health of a country’s economy. For this exercise, you will analyze the 2012 GDP for 189 countries. The values are given in millions of U.S. dollars.20

  1. Compute the mean and the standard deviation.
  2. Which countries do you think are outliers? Identify them by name and explain why you consider them to be outliers.
  3. Recompute the mean and the standard deviation without your outliers. Explain how the mean and standard deviation changed when you deleted the outliers.