When small samples are used to estimate a population mean, in cases where the population standard deviation is unknown:
A) the t-distribution must be used to obtain the critical value.
B) the resulting margin of error for a confidence interval estimate will tend to be fairly small.
C) there will be a large amount of sampling error.
D) None of the above
A
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Which of the following is a disadvantage of using the Internet as an advertising medium?
A) limited audience selectivity B) increasing clutter C) lack of interactive possibilities D) relatively high costs involved E) fleeting ad exposure time
One of the advantages associated with radio as an advertising medium is that it
A. has a perishable message. B. has a long exposure time. C. allows ads to be placed quickly. D. has an unlimited amount of advertising time available. E. is relatively simple to convey complex messages.
Suppose the U.S. Treasury issued $50 billion of short-term securities and sold them to the public. Other things held constant, what would be the most likely effect on short-term securities' prices and interest rates?
A. Prices and interest rates would both rise. B. Prices would rise and interest rates would decline. C. Prices and interest rates would both decline. D. Prices would decline and interest rates would rise. E. There is no reason to expect a change in either prices or interest rates.
Sales representatives that perform specific acts at the specific direction of the company they represent are considered:
A) agents of the company B) principals of the company. C) independent contractors of the company. D) none of the above.