Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1760-en_uva-test-1760-en
    nameuva-test-1760-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, TRUE, FALSE, 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 3.2 and variance 0.21. A birth weight of 2800 grams has a Z-score of


    1. FALSE: -1.905
    2. TRUE: -0.873
    3. FALSE: 0.864
    4. FALSE: 9.07

    1. 1.905: Incorrect
    2. 0.873: Correct
    3. 0.864: Incorrect
    4. 9.07: Incorrect