Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1775-en_uva-test-1775-en
    nameuva-test-1775-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.153
    p-value0.509

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 3 and variance 0.78. A birth weight of 3800 grams has a Z-score of


    1. FALSE: -1.315
    2. FALSE: -0.906
    3. FALSE: -0.771
    4. TRUE: 0.906

    1. 1.315: Incorrect
    2. 0.906: Incorrect
    3. 0.771: Incorrect
    4. 0.906: Correct