Exam 1

  1. Metainformation

    Tag Value
    fileProbability_uva-variance-1356-en_uva-variance-1356-en
    nameuva-variance-1356-en
    sectionProbability/Elementary Probability/Random variables/Variance
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    A population contains five numbers: 2, 3, 6, 8 and 11. What then is the standard deviation of this population?


    1. FALSE: 2,1
    2. FALSE: 2,4
    3. FALSE: 3,0
    4. TRUE: 3,3

    1. 2.1: Incorrect
    2. 2,4: Incorrect
    3. 3.0: Incorrect
    4. 3.3: Correct