Mathematics, 31.10.2019 00:31 420420blazee
Researchers found that a person in a particular country spent an average of 5.5 hours a day watching tv in 2010. assume the population standard deviation is 1.8 hours per day. a sample of 39 people averaged 6.3 hours of television viewing per day. does this result support the findings of the study?
Answers: 2
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