Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-variance-1-en_uva-variance-1-en
    nameuva-variance-1-en
    sectionDescriptive statistics/Summary Statistics/Measures of Spread/Variance
    typeschoice
    solutionTRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty4.171
    p-value0.0887

    Question

    If test scores are reliable, they contain


    1. TRUE: Few random measurement errors.
    2. FALSE: Few systematic measurement errors.
    3. FALSE: Few random and few systematic measurement errors.

    1. Few random measurement errors…: Correct
    2. Few systematic measurement errors: Incorrect
    3. Few random and few systematic measurement errors…: Incorrect