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A new over-the-counter cold medication includes a warning label stating that it “may cause drowsiness.” A researcher would like to evaluate this effect. It is known that under regular circumstances the distribution of reaction times is normal with ? = 200. A sample of 9 participants is obtained, and each person is given the new cold medication, and, 1 hour later, reaction time is measured for each individual. The average reaction time for this sample is 206 and a standard deviation of 9.If the researchers would like to specifically test if the cold medicine reduces reaction time, what are the null and alternative hypotheses?
Determine whether the medication has a significant effect on reaction time. Be sure to write a sentence that demonstrates the outcome of your analyses.
write a four to seven page paper that describes the results of your assessment of the work processes and key employees
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directions unless otherwise stated answer in complete sentences and be sure to use correct english spelling and
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Those who protested conscription during World War I did so because
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Explain the main reasons Europe has withdrawn from a close relationship with the U.S. in 300 Words
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