Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1764-en_uva-test-1764-en
    nameuva-test-1764-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 2.9 and variance 0.66. A birth weight of 4000 grams has a Z-score of


    1. FALSE: -2.525
    2. FALSE: -1.354
    3. FALSE: -1.347
    4. TRUE: 1.354

    1. 2.525: Incorrect
    2. 1,354: Incorrect
    3. 1,347: Incorrect
    4. 1,354: Correct