For #2 - #4, choose from the list provided to identify which type of sampling is
ID: 3135363 • Letter: F
Question
For #2 - #4, choose from the list provided to identify which type of sampling is used in each example. Explain your reasoning for each. a) cluster b) convenience c) judgment d) random e) systematic
2) During a quality inspection for correct UPC of chewing gum, all of the packages at the checkout counter rack were checked.
3) The police chiefs of ten towns in the county were asked if tickets issued by red light cameras were fair.
4) Anthem Blue Cross sent an online survey to every 100th policyholder in the cities of Colorado Springs, Denver, Grand Junction, and Longmont.
Explanation / Answer
Solution:
Answer 2: Cluster sampling, because we select the some packages (clusters) randomly from the given all packages.
Answer 3: Random sampling, because we select the police chiefs of ten towns randomly out of all cities in the country.
Answer 4: Systematic sampling, because we select every 100th policyholder of the city.