Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-377-en_uva-test-377-en
    nameuva-test-377-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.04
    p-value0.5585

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 2.90 and variance 0.64. A birth weight of 2500 grams has a Z-score of


    1. TRUE: -0.5
    2. FALSE: -0.4
    3. FALSE: 0.5
    4. FALSE: 0.625

    1. 0.5: Correct
    2. 0.4: Incorrect
    3. 0.5: Incorrect
    4. 0.625: Incorrect