A country that has complete state ownership of property, no relevant property rights, and does not allow for political opposition or voter choice has which type of political system?

In a study in which scores on a math test are being used as a dependent variable, the researcher discovers that the scores are positively skewed. This violates the assumption of normality for the t-test that the researcher planned to use

The best solution for the researcher is to A) not use the t-test because the results may not be valid. B) use another test that does not have the same assumptions. C) check if the t-test is robust to violations of normality. D) prorate the data so it fits a normal curve.

What was the World Trade Organization's

(WTO) position on the European Union's (EU) ban on beef injected with artificial growth hormones? a) The WTO ruled that the EU's ban was an unfair restraint of trade. b) The WTO ruled that the EU has a right to ban the meat because the ban was consistent with the precautionary principle. c) The WTO ruled that the ban is permissible as long as the EU imports an equivalent amount of non-injected beef. d) The WTO is not involved in the health regulations within countries (or groups of countries).