Kizspy | Question: 20
(Choose 1 answer)
A researcher wants to survey 250 international tourists. He come to Noi Bai international airport to select sample regardless of their gender. Every tenth passenger that checked-in at the departure gate was selected to participate in this research. This sampling techniques is preferred to:
A. Simple random sampling
B. Convenience sampling
C. Quota sampling
D. Systematic random sampling
