Which of the following techniques of analyzing research data groups variables into collections that maximize within-group similarities and between-group differences?
A) demand pattern analysis
B) income elasticity analysis
C) cluster analysis
D) comparative analysis
C
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A foreign trade deficit occurs when a country's _____.
A. imports are greater than its exports B. tax revenues are greater than its expenditures C. savings rate is higher than its borrowing rate D. purchase of Treasury securities is more than sale of Treasury securities E. cash reserves are higher than its expenses
Arthur made a bid at an auction by calling out the amount of $250. The auctioneer acknowledged Arthur's bid. There were no higher bids, and before the fall of the auctioneer's hammer, Arthur announced that he was withdrawing the bid. The auctioneer said that it was too late for Arthur to withdraw his bid, because the bid had already been acknowledged. What is the result?
A) Arthur's bid is an ordinary offer that can be revoked. B) Arthur's bid is firm and cannot be withdrawn. C) Since the auctioneer had in fact acknowledged Arthur's bid, the bid became an option exercisable at the election of the seller. D) Since the auctioneer had in fact acknowledged Arthur's bid, a contract had been formed by way of offer and acceptance; accordingly, Arthur's subsequent attempt to withdraw his bid was ineffective.
Transmitting a block of data, waiting for a positive acknowledgement message, and then proceeding with the next block transmission, is known as
a. stop-and-wait ARQ b. go-back-N continuous ARQ c. SDLC d. PPP
Which of the following statements about word-of-mouth advertising is true?
A. It is not an advertising medium. B. It is not a communication medium. C. It is becoming an advertising medium because of social media. D. It has a structured form and generally predictable results. E. It is a highly effective paid form of advertising.