A researcher wants to determine if the continent that a country belongs to (Asia, Europe, Africa, North America, South America) is related to the average amount of CO2 emissions per capita.  The researcher also wants to determine if the mean CO2 emissions is related to the economic system of the country (Communism, Socialism, or Capitalism).

A.  List the factors and their corresponding levels

B.  If a 2-way ANOVA is to be run, state the assumptions that must be made.