1. It is important for managers of corporations to act ethically? ___________. ?(Select the best choice? below.)
A. because business managers must answer to a higher authority
B. because ethical behavior is its own justification
C. because it is important for a business to be trusted by? investors, customer and the public if it is to succeed
D. because a violation of ethics will be punished by the law
2. When comparing two groups, I can reject the Null that they have the same mean for some measured variable with 95% confidence if the sample means differ by:
A. more than 10%
B. more than 50%
C. At least 1 standard deviation
D. About 2 standard deviations