Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_vufgb-standarddeviation-011-en_vufgb-standarddeviation-011-en
    namevufgb-standarddeviation-011-en
    sectionDescriptive statistics/Summary Statistics/Measures of Spread/Standard Deviation
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    Program
    LanguageEnglish
    LevelStatistical Thinking

    Question

    In a sample of childrand with ADHD, the following holds true for the variable inhibition ability: n1=24n_{1} = 24, y¯1=4.5\overline{y}_{1} = 4.5, s1=1.2s_{1} = 1.2 and SS1=33.12SS_{1} = 33.12 and in eand steekproef van kinderand met Autisme geldt voor dezelfde variabele: n2=26n_{2} = 26, y¯2=6.5\overline{y}_{2} = 6.5, s2=0.9s_{2} = 0.9 and SS2=20.25SS_{2} = 20.25. Bepaal de ‘pooled’ standaardafwijking over de twee groepand.


    1. FALSE: 1.05
    2. TRUE: 1.11
    3. FALSE: 1.02
    4. FALSE: 1.08

    1. Incorrect
    2. Correct
    3. Incorrect
    4. Incorrect