Assume that an economy has 500 workers, each working 1,500 hours per year. If the average real output per worker-hour is $20, then total output, or real GDP, will be

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