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Andrey works at a call center, selling insurance over the phone. While debating over which greeting he
should use when calling potential customers - "Howdy!" or "Hiya!" - he decided to conduct a small study.
For his subsequent 500 calls, he chose one of the greetings randomly by flipping a coin. Then, he compared
the percentage of calls he succeeded in selling insurance using each greeting.
What type of a statistical study did Andrey use?
Choose 1 answer:
Sample study
Experiment
Observational study

Answer :

Answer:

The answer would be Experiment and A

Step-by-step explanation:

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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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