Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1751-en_uva-test-1751-en
    nameuva-test-1751-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.976
    p-value0.4018

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 3.5 and variance 0.64. A birth weight of 3400 grams has a Z-score of


    1. FALSE: -0.156
    2. TRUE: -0.125
    3. FALSE: 0.125
    4. FALSE: 0.213

    1. 0.156: Incorrect
    2. 0.125: Correct
    3. 0.125: Incorrect
    4. 0.213: Incorrect