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Problem Andrey works at a call center, selling insurance over the phone. While debating which greeting he should use when calling potential customers — "Howdy!" or "Hiya!" — he decided to conduct a small study. For his subsequent 500500500 calls, he chose one of the greetings randomly by flipping a coin, and used the same script for his sale otherwise. Then, he compared the percentage of calls he succeeded in selling insurance using each greeting. He noticed that he was significantly more likely to make a sale in calls that started with "Hiya!" Can we conclude that the greeting caused the difference in sales? Why? Choose 1 answer:

Respuesta :

Answer:

Yes, because the calls were each randomly assigned a greeting.

Step-by-step explanation:

It is given that Andrew who works at the call center of an insurance company, decided to conduct a small survey on how to greet the potential customers while calling.

For this, he uses his 500 subsequent calls and he chooses to greet his customers randomly as "Howdy" or "Hiya".

Since the selection bias is ruled out, the calls were randomly assigned for the greetings. Thus the greetings caused a difference in sales.

Answer:

Yes, because the calls were each randomly assigned a greeting

Step-by-step explanation:

Random assignment to treatment groups makes this study an experiment, so we can make causal conclusions.

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