Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1763-en_uva-test-1763-en
    nameuva-test-1763-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.523
    p-value0.4647

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 3.1 and variance 0.16. A birth weight of 2600 grams has a Z-score of


    1. FALSE: -3.125
    2. TRUE: -1.25
    3. FALSE: 1.25
    4. FALSE: 19.531

    1. 3.125: Incorrect
    2. 1.25: Correct
    3. 1.25: Incorrect
    4. 19.531: Incorrect