Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1768-en_uva-test-1768-en
    nameuva-test-1768-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 2.8 and variance 0.2. A birth weight of 2000 grams has a Z-score of


    1. FALSE: -4
    2. TRUE: -1.789
    3. FALSE: 1.789
    4. FALSE: 20

    1. 4: Incorrect
    2. 1,789: Correct
    3. 1,789: Incorrect
    4. 20: Incorrect