Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-1623-en_uva-test-1623-en
    nameuva-test-1623-en
    sectionInferential Statistics/Parametric Techniques/z-test
    typeschoice
    solutionFALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.075
    p-value0.2883

    Question

    A person achieves a score of 8.4 good on a Statistics test. The mean score of all participants in the test is 10.7 with a standard deviation 2.6. The z-score of the person with 8.4 good is then equal to


    1. FALSE: -1.28
    2. TRUE: -0.88
    3. FALSE: 0.41

    1. 1.28: Incorrect
    2. 0.88: Correct
    3. 0.41: Incorrect