Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1789-en_uva-test-1789-en
    nameuva-test-1789-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.244
    p-value0.4966

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 3 and variance 0.82. A birth weight of 1900 grams has a Z-score of


    1. TRUE: -1.215
    2. FALSE: 1.124
    3. FALSE: 1.215
    4. FALSE: 1.636

    1. 1.215: Correct
    2. 1.124: Incorrect
    3. 1.215: Incorrect
    4. 1,636: Incorrect