A collection of related records is a file, also called a ____ in some databases.
A. table
B. chart
C. set
D. query
Answer: A
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Which of the following statements is true of frequent-shopper programs?
A. They are highly beneficial for building long-term customer loyalty. B. Competitive advantages gained from these programs are sustainable. C. Effective frequent-shopper programs are easy to develop. D. Customers are able to clearly differentiate the programs offered by different retailers. E. The discounts offered appeal mostly to price-conscious customers.
Which is not a part of the process of selecting a data analysis strategy?
A) known characteristics of the data B) classification of statistical techniques C) background and philosophy of the researcher D) properties of statistical techniques
Which of the following is correct regarding the English courts of equity?
A) They were presided over by the king. B) They could only award money damages. C) They could issue a decree ordering a defendant to do or refrain from doing a specific act. D) They issued rulings only when a court of common law had refused to do so.
A calculus professor wanted to test whether the grades on calculus test were the same for upper and lower classmen. The professor took a random sample of size 12 from each group. For this situation, the professor should use a matched pairs t-test
Indicate whether the statement is true or false