Suppose that the results in the table were obtained by mailing a survey to 10,000 executives and recording the 1733 responses that were returned. What is this type of sampling called? Is this type of sample likely to be representative of the population of all executives? Why or why not?

Refer to the table in the margin, which summarizes results from a survey of 1733 randomly selected executives (based on data from Korn/Ferry International). Participants responded to this question: “If you could start your career over in a completely different field, would you?”

Response                Relative Frequency
Yes.......................................................51%
No........................................................25%
Maybe..................................................24%