Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1788-en_uva-test-1788-en
    nameuva-test-1788-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.075
    p-value0.2888

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 3.1 and variance 0.87. A birth weight of 3500 grams has a Z-score of


    1. FALSE: -0.428
    2. TRUE: 0.429
    3. FALSE: 0.46
    4. FALSE: 0.515

    1. 0.428: Incorrect
    2. 0.429: Correct
    3. 0.46: Incorrect
    4. 0.515: Incorrect