Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-power-1593-en_uva-power-1593-en
    nameuva-power-1593-en
    sectionInferential Statistics/NHST/Power
    typeschoice
    solutionFALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.001
    p-value0.5854

    Question

    One tests H1: p = 0.5 against H2: p = 0.2 in a random sample of n = 8 observations. Testing quantity is the binomially distributed stochast B, the number of successes in the sample. As the left critical limit, the value 2 is used. The discernment power 1 - β is then equal to


    1. FALSE: 0.82
    2. FALSE: 0.83
    3. TRUE: 0.9

    1. 0.82: Incorrect
    2. 0.83: Incorrect
    3. 0.9: Correct