Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1787-en_uva-test-1787-en
    nameuva-test-1787-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, FALSE, TRUE, 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 2.9 and variance 0.62. A birth weight of 2500 grams has a Z-score of


    1. FALSE: -0.645
    2. FALSE: -0.533
    3. TRUE: -0.508
    4. FALSE: 0.508

    1. 0.645: Incorrect
    2. 0.533: Incorrect
    3. 0.508: Correct
    4. 0.508: Incorrect