Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1750-en_uva-test-1750-en
    nameuva-test-1750-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.818
    p-value0.4255

    Question

    We assume for this question that birth weight (in kg.) is normally is normally distributed with expectation 2.8 and variance 0.84. A birth weight of 700 grams has a Z-score of


    1. FALSE: -2.5
    2. TRUE: -2.291
    3. FALSE: 2.291
    4. FALSE: 2.31

    1. 2.5: Incorrect
    2. 2.291: Correct
    3. 2.291: Incorrect
    4. 2.31: Incorrect