Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1774-en_uva-test-1774-en
    nameuva-test-1774-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.425
    p-value0.4786

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 3.3 and variance 0.67. A birth weight of 3000 grams has a Z-score of


    1. FALSE: -0.645
    2. TRUE: -0.367
    3. FALSE: 0.367
    4. FALSE: 0.448

    1. 0.645: Incorrect
    2. 0.367: Correct
    3. 0.367: Incorrect
    4. 0.448: Incorrect