The manager of a QFC is concerned that customers may think the store's temperature may be too warm. He uses a random number generator to pick 4 of the 23 aisles, and then asks all of the customers in those aisles whether they are comfortable.

What survey methodology is this?

The manager of a QFC is concerned that customers may think the store's temperature may be too warm. He uses a random number generator to pick 4 of the 23 aisles, and then asks all of the customers in those aisles whether they are comfortable.



A: Stratified Sampling
B: Clustered Sampling
C: Simple Random Sampling
D: Systematic Sampling


Answer: B


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