Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uu-p-value-801-en_uu-p-value-801-en
    nameuu-p-value-801-en
    sectionInferential Statistics/NHST/p-value
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy

    Question

    A pharmaceutical company has developed a new drug against migraine and wants to test its efficacy with a sample of migraineurs. Since the drug has some known side effects, the company wants as much certainty as possible as to whether the drug actually helps against migraine. How can the company best accomplish this?


    1. TRUE: By the usual significance level α\alpha = 5% to reduce to α\alpha = 1%.
    2. FALSE: Due to the usual significance level α\alpha = 5% to increase to α\alpha = 10%.
    3. FALSE: By choosing a 99% confidence interval.
    4. FALSE: By choosing a 90% confidence interval.