Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-mean-489-en_uva-mean-489-en
    nameuva-mean-489-en
    sectionDescriptive statistics/Summary Statistics/Measures of Location/Mean
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.705
    p-value0.1728

    Question

    Of 5 nurses, their attitudes before and after a given intervention was measured with the following results:______ BEFORE: 46, 38, 30, 42, 41. AFTER: 43, 43, 37, 39, 45. The mean of the difference of the post-measurement minus the premeasurement equals:


    1. TRUE: 2
    2. FALSE: 3
    3. FALSE: 4
    4. FALSE: 4.4

    1. 2: Correct
    2. 3: Incorrect
    3. 4: Incorrect
    4. 4.4: Incorrect