Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1602-en_uva-test-1602-en
    nameuva-test-1602-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.079
    p-value0.2651

    Question

    A person achieves a score of 9.3 good on a Statistics test. The mean score of all participants in the test is 7.8 with a standard deviation 4.3. The z-score of the person with 9.3 correct is then equal to


    1. FALSE: -0.55
    2. FALSE: -0.15
    3. TRUE: 0.35

    1. 0.55: Incorrect
    2. 0.15: Incorrect
    3. 0.35: Correct