Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1767-en_uva-test-1767-en
    nameuva-test-1767-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 2.6 and variance 0.42. A birth weight of 2700 grams has a Z-score of


    1. FALSE: -0.238
    2. TRUE: 0.154
    3. FALSE: 0.175
    4. FALSE: 0.238

    1. 0.238: Incorrect
    2. 0.154: Correct
    3. 0.175: Incorrect
    4. 0.238: Incorrect