Decide whether the following hypothesis is one-tailed or two-tailed: People are more altruistic when they are well
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Question:
Decide whether the following hypothesis isone-tailedortwo-tailed:
People are more altruistic when they are well rested.
Decide whether the following hypothesis isone-tailedortwo-tailed:
Consumers will buy less electronics when they are feeling unhappy.
Decide whether the following hypothesis is one-tailed or two-tailed:
The brightness of a person's shirt affects whether or not they will be hired on a job interview.
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