The file WorldBank contains data on GDP per capita (current US$), time to prepare and pay taxes (hours), percentage of urban population, gross domestic savings as a percentage of GDP, annual population growth rate, compulsory education (years), annual inflation rate, consumer prices and foreign direct investment, and net inflows as a percentage of GDP for 145 countries.

a. Perform a cluster analysis on the countries.

b. Perform a multidimensional scaling analysis on the countries.

c. What conclusions can you reach about which countries are more similar?