Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1765-en_uva-test-1765-en
    nameuva-test-1765-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    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 3.2 and variance 0.49. A birth weight of 2900 grams has a Z-score of


    1. FALSE: -0.56
    2. TRUE: -0.429
    3. FALSE: 0.429
    4. FALSE: 0.612

    1. 0.56: Incorrect
    2. 0.429: Correct
    3. 0.429: Incorrect
    4. 0.612: Incorrect