4.22 Appraising a poll. A June 2015 New York Times article about the inequality of wealth and income discussed the results of a sample survey that found, for example, that 67% of those surveyed think the gap between the rich and the poor in the United States is getting larger. Here is part of the Times’s statement “How the Poll Was Conducted”:

The latest New York Times/CBS News Poll is based on telephone interviews conducted May 28 to 31 with 1,022 adults throughout the United States . . .

The sample of land-line telephone exchanges called was randomly selected by a computer . . .

The Times’s statement goes on to say that cell phone numbers were also randomly selected by a computer and that the samples of landline and cell phone responses were combined and appropriately adjusted. Page 80 lists several “questions to ask” about an opinion poll. What answers does the Times give to each of these questions?