Every eighth person entering a cafeteria is asked to choose his or her favorite meal from the list of five different meals that include the description of each.
Question 13.
Identify the sampling techniques used and discuss potential sources of bias (if any). Explain.
Every eighth person entering a cafeteria is asked to choose his or her favorite meal from the list of five different meals that include the description of each.
What type of sampling is used?
- Systematic sampling is used, because every eighth person is selected.
- Stratified sampling is used, because the population is divide into groups, and random samples are taken from each group.
- Cluster sampling is used, because the population is divide into groups, and several groups are selected, and every person in those groups are contacted.
- Convenience sampling is used, because the researchers contacts the easiest people to reach.
- Simple random sampling is used because every sample of a given size has an equal chance of being selected.
Answer – Option 1. Systematic sampling is used because every eighth person is selected.