Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1770-en_uva-test-1770-en
    nameuva-test-1770-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 2.7 and variance 0.53. A birth weight of 3300 grams has a Z-score of


    1. FALSE: -0.871
    2. FALSE: -0.824
    3. TRUE: 0.824
    4. FALSE: 1.132

    1. 0.871: Incorrect
    2. 0.824: Incorrect
    3. 0.824: Correct
    4. 1.132: Incorrect