Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1776-en_uva-test-1776-en
    nameuva-test-1776-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 3.4 and variance 0.61. A birth weight of 1500 grams has a Z-score of


    1. FALSE: -2.518
    2. TRUE: -2.433
    3. FALSE: 3.115
    4. FALSE: 5.106

    1. 2,518: Incorrect
    2. 2.433: Correct
    3. 3,115: Incorrect
    4. 5,106: Incorrect