Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-standard-deviation-574-en_uva-standard-deviation-574-en
    nameuva-standard-deviation-574-en
    sectionDescriptive statistics/Summary Statistics/Measures of Spread/Standard Deviation
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty4.588
    p-value0.015

    Question

    In a sample of 25 individuals, the variance is found to be 64. The SEM (standard error of the mean) is then


    1. FALSE: 0.32
    2. TRUE: 1.6
    3. FALSE: 2.56
    4. FALSE: 12.8

    1. 0.32: Incorrect
    2. 1.6: Correct
    3. 2.56: Incorrect
    4. 12.8: Incorrect