Question

researchers are conducting a survey about what brand of ice cream shoppers prefer. they survey the tenth person who walks into the store and then every fifth person after that. this type of sampling is called

random sampling.
stratified sampling.
systematic random sampling.
cluster sampling.

Explanation:

Analyze the sampling method

Using the Systematic Sampling knowledge point

The researchers select members of the population at a regular, predetermined interval: they start with the tenth person and then select every fifth person after that (e.g., 10th, 15th, 20th, 25th, ...). This structured, interval-based approach is the defining characteristic of systematic sampling.

Answer:

• random sampling.
• stratified sampling.
• systematic random sampling. (Correct answer)
• cluster sampling.