Peter wishes to find out if commuters are satisfied with train , by interviewing some of the people who leave station on that day, she rolled a fair 5-sided die with faces labeled 1, 2, 3,4,5 which has equal chance of landing on any of the faces, and obtained the number 2. Then with the help from train staff, she are abke to speak to the 2 commuter who leave the station in that day, then the 17 commuter, the 27 commuter, and so on. Which of the following best descrbes the sompling plan used by peter ? 1. Systematic Sampling
2.Simple Random Sampling
3.None of the other aptions
4.Quota Sampling