In Exercise 23 we saw that the United Nations Development Programme (UNDP) uses the Human Development Index (HDI) in an attempt to summarize the progress in health, education, and economics of a country with one number. The gross domestic product per capita (GDPPC) attempts to summarize the wealth produced by a country in one number. Here is a plot of GDPPC against HDI:
GDPPC is measured in dollars. Incomes and other economic measures tend to be highly right skewed. Taking logs often makes the distribution more unimodal and sym-metric. Compare the histogram of GDPPC to the histogram of log (GDPPC).
Answer to relevant QuestionsIn Exercise 63 we examined the relationship between log(GDPPC) and HDI. The number of Internet users (per 1000 people) is also positively associated with economic progress in a country. Here’s a scatterplot of Internet ...In the regression model of Exercise 3, a) What is the R2 for this regression? What does it mean? b) Why is the “Adjusted R Square” in the table different from the “R Square”? Using the regression table in Exercise 14, answer the following questions. a) How was the t-ratio of 126.7 found for Paid Attendance? (Show what is computed using numbers found in the table.) b) How many weeks are included ...A household appliance manufacturer wants to analyze the relationship between total sales and the company’s three primary means of advertising (television, magazines, and radio). All values were in millions of dollars. They ...In Chapter 16, Exercise 53 predicted the annual value of the Maine lobster industry catch from the number of licensed lobser fishers. The lobster industry is an important one in Maine, with annual landings worth about ...
Post your question