Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1772-en_uva-test-1772-en
    nameuva-test-1772-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.538
    p-value0.4631

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 2.5 and variance 0.37. A birth weight of 2100 grams has a Z-score of


    1. FALSE: -1.081
    2. TRUE: -0.658
    3. FALSE: 1.081
    4. FALSE: 2.922

    1. 1.081: Incorrect
    2. 0.658: Correct
    3. 1,081: Incorrect
    4. 2.922: Incorrect