Identify the sampling method used in each of the following scenarios. To get an
ID: 3200321 • Letter: I
Question
Identify the sampling method used in each of the following scenarios. To get an idea of how well their athletes are doing academically and to prevent the school from being banned from postseason play, Pitt samples 5 athletes from each of its 14 teams. CNN wants to know which candidate viewers thought performed the best in the debate. A number is put up on the screen asking viewers to call in with their opinions of the winner. To try to improve safety measures at the airport, TSA agents pull every third person out of line to be searched for dangerous weapons. A database of everyone who recently had heart surgery in Pittsburgh is kept 20 people are randomly selected to try out a new drug that claims to speed up recovery. Kennywood wants to learn the type of ride that visitors would like them to build next, so they give out surveys to the first 100 people who come through the gates every day.Explanation / Answer
1) as 5 athletes have been chosen from a cluster of 14 teams. it is cluster sampling.
2)judgement sampling or volunteer sampling as it depends on the jusgement of viewers.
3)as it is designed to havef every 3rd person to be chosen, this is systematic sampling.
4)as selection is random , it is simple random sampling
5)as these people does not reperesent whole of the people but cost and time saving, it is convenience sampling.