Keeping a consistent image while incorporating new elements is an example of:

Survey questionnaires may be administered in four major modes: 1. telephone interview, 2. personal interviews, 3 . mall interviews, and 4. electronic interviews (Figure 6.1 in the text)

Indicate whether the statement is true or false

An improvement index indicates:

A) whether a method other than the stepping-stone should be used. B) whether a method other than the northwest-corner rule should be used. C) how much total cost would increase or decrease if a single unit was reallocated to that cell. D) whether the transportation cost in the upper left-hand corner of a cell is optimal. E) how much total cost would increase or decrease if the largest possible quantity were reallocated to that cell.