9
QuizMultiple Choice
Correlation
Question 9 • SC-Statistical Modeling SDPC
One statistic used to measure a country’s wealth is its gross domestic product (GDP). A higher GDP indicates greater wealth in the country. A researcher compared the GDP per person for 12 countries with the life expectancy of that country. The data for the 12 countries are shown in the scatterplot. The value of r for the scatterplot is 0.608.
Answer
A
There is little relationship between GDP and life expectancy.B
Countries with lower GDPs tend to have higher life expectancies.C
Countries with higher GDPs tend to have lower life expectancies.D
Countries with higher GDPs tend to have higher life expectancies.