Answer :
Answer:
The answer would be Experiment and A
Step-by-step explanation:
I got it correct
Based on the description of the study embarked upon by Audrey, it can be concluded that the statistical study carried out is an experimental study.
Experimental studies involves the introduction of a treatment on the participants in and then measuring how the participants respond to the treatment given.
Here, the greeting types could be regarded as the treatment as are expected to cause a change in the responses of the customers.
Observational study on the other hand, studies natural effect without trying to influence anything in the process.
Therefore, the experiment could best be attributed as an experimental study.
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