Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1798-en_uva-test-1798-en
    nameuva-test-1798-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 2.8 and variance 0.39. A birth weight of 3100 grams has a Z-score of


    1. FALSE: -1.972
    2. FALSE: -0.48
    3. FALSE: 0.461
    4. TRUE: 0.48

    1. 1.972: Incorrect
    2. 0.48: Incorrect
    3. 0.461: Incorrect
    4. 0.48: Correct