Question 1.90

1.90 Gross domestic product.

Refer to Exercise 1.46, where we examined the gross domestic product of 189 countries.

gdp

  1. Compute the mean and the standard deviation.
  2. Apply the 68-95-99.7 rule to this distribution.
  3. Compare the results of the rule with the actual percents within one, two, and three standard deviations of the mean.
  4. Summarize your conclusions.