Mathematics, 16.10.2020 14:01 misskylie2003
Researchers investigated whether the proportion of American teenagers with some level of hearing loss was diff erent in 2005β2006 than in 1988β1994. They collected data on random samples of American teenagers in those two time periods. Let the symbol Ο05-06 denote the population proportion of American teenagers with some level of hearing loss in 2005β2006 and similarly for Ο88-94. A 95% confidence interval for the parameter Ο05-06 β Ο88-94 turns out to be (0.0015, 0.0467).
Required:
What is an appropriate conclusion to draw?
Answers: 2
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Researchers investigated whether the proportion of American teenagers with some level of hearing los...
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