Question

match the name of the sampling method descriptions given. situations - separating all students by grade level, and selecting 10 students from each grade - pulling 50 names from a hat - surveying every 3rd driver coming through a tollbooth - dividing by population by voting precinct, and sampling everyone in the precincts selected - asking your 20 closest friends sampling method a. stratified b. convenience c. cluster d. systematic e. simple random

Explanation:

1. Separating students by grade level and selecting from each is stratified sampling as the population is divided into strata (grade - levels).
2. Pulling names from a hat is simple random sampling where each name has an equal chance of being selected.
3. Surveying every 3rd driver is systematic sampling as it follows a fixed - interval pattern.
4. Dividing by voting precinct and sampling everyone in selected precincts is cluster sampling where precincts are clusters.
5. Asking 20 closest friends is convenience sampling as it is based on ease of access.

Answer:

1. a. Stratified
2. e. Simple Random
3. d. Systematic
4. c. Cluster
5. b. Convenience