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Mathematics, 28.02.2020 22:00 garciagang0630
Question 9 options: A researcher wants to check the claim that convicted burglars spend less than 18.7 months in jail, on average. She takes a random sample of 67 such cases from court files and finds that the mean is 16.8 months with a standard deviation of 7.3 months. Is there enough evidence to support the claim using a level of significance of 1%?
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Question 9 options: A researcher wants to check the claim that convicted burglars spend less than 18...
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