Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1771-en_uva-test-1771-en
    nameuva-test-1771-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.491
    p-value0.4693

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 2.6 and variance 0.8. A birth weight of 3500 grams has a Z-score of


    1. FALSE: -0.895
    2. FALSE: 0.951
    3. TRUE: 1.006
    4. FALSE: 1.125

    1. 0.895: Incorrect
    2. 0.951: Incorrect
    3. 1.006: Correct
    4. 1.125: Incorrect