The textbook notes that the last time a major league batter hit .400 was in 1941. This is because:
A. the league imposes harsh penalties for steroid use.
B. baseball diamonds have become larger.
C. the average quality of batters has fallen.
D. specialization by pitchers, infielders, and outfielders has made it harder for batters to hit.
Answer: D
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Procter & Gamble Co is a major soap producer. All of the following, except one, would shift its supply curve of liquid soap to left. Which is the exception?
a. an increase in the price of bar soap b. an increase in the price of a key ingredient of liquid soap c. environmental regulations force Procter & Gamble to use a more costly technology to produce liquid soap d. a decrease in the price of liquid soap e. an increase in the wage rate for factory workers who produce liquid soap
Refer to the following computer output from estimating the parameters of the nonlinear modelY = aRbScTdThe computer output from the regression analysis is: 
Based on the info above, the nonlinear relation can be transformed into the following linear regression model:
A. Y = 1n(aRbScTd) B. 1n Y = 1na + b1nR +c1nS + d1nT C. 1n Y = 1n(aRbScTd) D. 1n Y = 1n a.1n R.1n S.1nT
A job advertised in an industry publication rather than a local newspaper is an attempt to
A) use access to the industry publication as a screening mechanism. B) use access to the newspaper as a screening mechanism. C) use access to the industry publication as a means of statistical discrimination. D) use access to the newspaper as a means of statistical discrimination.