A researcher has a dependent variable of partisanship (nominal) and an independent variable of age (interval). What statistical tool is appropriate to measure the relationship between these variables?

The fact that supply and demand do not always produce stability is demonstrated by the wild swings in the price of __________

A) automobiles B) steel C) food D) oil

Which of the following is true of the acquisition of nuclear weapons by terrorists or nonstate actors?

a. The fall of the Soviet Union has made the acquisition of nuclear material by terrorist groups more difficult. b. The IAEA regularly inspects both state and nonstate nuclear weapons facilities. c. Although unsuccessful in constructing a nuclear weapon, it has been proven that al Qaeda has acquired reasonable amounts of fissile material. d. The hardest route for a terrorist group to acquire nuclear weapons is to steal fissile material from a state military. e. The basic fissile material required to develop a nuclear weapon is very difficult to produce.