The sampling distribution of the mean is important for
a. descriptive statistics.
b. determining what type of inferential test is appropriate.
c. determining if a given sample mean is rare in hypothesis testing.
d. determining the mean of a sample.
C
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According to the doctrine of comparative advantage, the only instance of trade between countries A and B not benefiting both is
a. when A produces only one type of good. b. when A's domestic market is much larger than B's. c. when both A and B produce exactly the same goods. d. when B can produce everything more efficiently than A. e. when A has access to cheaper raw materials than B.
Which of the following refers to basic freedoms essential to the formation and expression of majority opinion and its translation into public policies?
a. tyranny of the majority b. political equality c. popular sovereignty d. political liberty