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 select customers at random and asks them 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 select customers at random and asks them whether they are comfortable. 



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


Answer: C


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