A typical transportation problem may ask the question, "How many of X should be shipped to point E from source A?"

According to the text, as of 2005, what percentage of all Canadian companies sold products/services on-line?

a. 47 percent b. 27 percent c. 67 percent d. 7 percent

Which of the following statements is not a disadvantage of structured questions?

A) Coding and processing of data are much less costly and time consuming. B) Considerable effort is required to design effective multiple choice questions. C) Showing respondents the list of possible answers produces biased responses. D) It is difficult to obtain information on alternatives not listed.