Mathematics, 20.02.2020 22:32 jetjet123123
Highway safety engineers test new road signs, hop- ing that increased reflectivity will make them more visible to drivers. Volunteers drive through a test course with several of the new- and old-style signs and rate which kind shows up the best. If the hypothesis is tested at the 1% level of significance instead of 5%, how will this affect the power of the test?
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Highway safety engineers test new road signs, hop- ing that increased reflectivity will make them mo...
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