Dr. S. Oberman has the research hypothesis that drivers who have consumed one drink are actually slightly better (score higher on a driving test) than drivers who have had no alcohol. (One drink, she believes, makes them relaxed and not as nervous.) She tests this by having subjects take a standard driving test. We know that completely sober, college-student drivers score an average of 75 on this test, where high scores mean better driving. Dr. S. Oberman's null hypothesis is: [note: po means mu, the population mean according to the null hypothesis] O HO is equal to 0 Ho is less than 0 O PO is not known, nor can it be known O Ho is equal to (or less than) 75 Po is greater than 75
Dr. S. Oberman has the research hypothesis that drivers who have consumed one drink are actually slightly better (score higher on a driving test) than drivers who have had no alcohol. (One drink, she believes, makes them relaxed and not as nervous.) She tests this by having subjects take a standard driving test. We know that completely sober, college-student drivers score an average of 75 on this test, where high scores mean better driving. Dr. S. Oberman's null hypothesis is: [note: po means mu, the population mean according to the null hypothesis] O HO is equal to 0 Ho is less than 0 O PO is not known, nor can it be known O Ho is equal to (or less than) 75 Po is greater than 75
MATLAB: An Introduction with Applications
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Author:Amos Gilat
Publisher:Amos Gilat
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![Dr. S. Oberman has the research hypothesis that drivers who have consumed one drink are actually slightly better (score higher on a
driving test) than drivers who have had no alcohol. (One drink, she believes, makes them relaxed and not as nervous.) She tests this by
having subjects take a standard driving test. We know that completely sober, college-student drivers score an average of 75 on this test,
where high scores mean better driving.
Dr. S. Oberman's null hypothesis is: [note: Ho means mu, the population mean according to the null hypothesis]
Ho is equal to 0
Po is less than 0
Po is not known, nor can it be known
Ho is equal to (or less than) 75
Po is greater than 75](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3baf79d2-0c0c-4ec1-8065-fbfdcb9eb950%2Fb302c212-ce2a-4459-b23e-e587bb332605%2Fpd0w9a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Dr. S. Oberman has the research hypothesis that drivers who have consumed one drink are actually slightly better (score higher on a
driving test) than drivers who have had no alcohol. (One drink, she believes, makes them relaxed and not as nervous.) She tests this by
having subjects take a standard driving test. We know that completely sober, college-student drivers score an average of 75 on this test,
where high scores mean better driving.
Dr. S. Oberman's null hypothesis is: [note: Ho means mu, the population mean according to the null hypothesis]
Ho is equal to 0
Po is less than 0
Po is not known, nor can it be known
Ho is equal to (or less than) 75
Po is greater than 75
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