An economy producing at the wrong point on its production possibility frontier is ___. A. efficient, because it is on the production possibility frontier.
B. inefficient, because the combination of goods and services produced is not what people want.
C. efficient, because the economy is producing goods at the lowest possible cost.

In terms of the "great wheel of science", statistics are central to the research process (a) only between the hypothesis phase and the observation phase (b) only between the observation phase and the empirical generalization phase (c) only between the theory phase and the hypothesis phase (d) only between the empirical generalization phase and the theory phase