Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-standard-deviation-464-en_uva-standard-deviation-464-en
    nameuva-standard-deviation-464-en
    sectionDescriptive statistics/Summary Statistics/Measures of Spread/Standard Deviation
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.948
    p-value0.1346

    Question

    Given the following numbers: 7, 5, 8, 4, 9, 8, 7, 8. The estimated standard deviation of the sample mean is equal to


    1. FALSE: 0.36
    2. FALSE: 0.56
    3. FALSE: 0.6
    4. TRUE: 1.69

    1. 0.36: Incorrect
    2. 0.56: Incorrect
    3. 0.6: Incorrect
    4. 1.69: Correct