Jeramey suspects that his customers leave lower tips during a full moon, so he begins to record his tips and the phases of the moon. His research hypothesis

a. Is that customers’ tips will be lower during a full moon
b. Is that customers’ tips will be higher during a full moon
c. Is that customers’ tips will be the same regardless of the phases of the moon
d. Cannot be determined from the information provided


Ans: A

Psychology

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