In general, when a test is less than accurate, our best estimate of a worker's productivity will
A. be his actual test score.
B. be the average productivity of the group to which he belongs.
C. always lie below his actual test score.
D. lie between his actual test score and the average productivity of the group to which he belongs.
Answer: D
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The first automobile manufacturer to use a division of labor and to use a moving assembly line was
A. Henry Ford. B. Henry Leland. C. Henry Olds. D. Andrew Carnegie.
In the short run, a monopolistically competitive firm
A) always earns positive economic profits. B) never earns positive economic profits. C) can earn positive, negative, or zero economic profits. D) always earns positive accounting profits.
From 1935 to 2017, the yield per acre for wheat has ________ in the United States.
A. roughly doubled B. slightly declined C. more than tripled D. increased more than 6-fold
Use the information in Scenario 4.2. What is the price elasticity of demand if the price of artichokes is $10?
A) 0 B) -0.25 C) -1 D) -4 E) negative infinity