Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1786-en_uva-test-1786-en
    nameuva-test-1786-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.987
    p-value0.4002

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 2.6 and variance 0.43. A birth weight of 1900 grams has a Z-score of


    1. FALSE: -1.119
    2. TRUE: -1.067
    3. FALSE: 1.067
    4. FALSE: 1.188

    1. 1.119: Incorrect
    2. 1,067: Correct
    3. 1.067: Incorrect
    4. 1,188: Incorrect