Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1781-en_uva-test-1781-en
    nameuva-test-1781-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionTRUE, FALSE, 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 2.6 and variance 0.83. A birth weight of 1000 grams has a Z-score of


    1. TRUE: -1.756
    2. FALSE: 1.647
    3. FALSE: 1.928
    4. FALSE: 2.323

    1. 1,756: Correct
    2. 1,647: Incorrect
    3. 1.928: Incorrect
    4. 2,323: Incorrect