Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-standard-deviation-598-nl_uva-standard-deviation-598-nl
    nameuva-standard-deviation-598-nl
    sectionDescriptive statistics/Summary Statistics/Measures of Spread/Standard Deviation
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeCalculation
    LanguageDutch
    LevelStatistical Literacy
    IRT-Difficulty4.121
    p-value0.0964

    Question

    Van twee onafhankelijke stochastische variabelen X en Y zijn de populatiestandaarddeviaties resp. 4 en 3. Wat is dan de populatiestandaarddeviatie van X-Y ?


    1. FALSE: 7
    2. FALSE: 25
    3. FALSE: 1
    4. TRUE: 5

    1. 7: Incorrect
    2. 25: Incorrect
    3. 1: Incorrect
    4. 5: Correct