An airline conducts a survey to determine customer satisfaction
Which of these methods will produce the most representative sample of the
population of airline customers?
A. Airline representatives make phone calls to a random selection of
customers
B. Airline representatives survey all passengers as they arrive at their
destination on a randomly selected day.
C. Airline representatives survey all customers who flew first class in
a given week
D. Airline representatives survey all customers who flew from Dallas
to Chicago