Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_vufgb-zscore-010-en_vufgb-zscore-010-en
    namevufgb-zscore-010-en
    sectionDescriptive statistics/Score interpretation/z-score
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation, Interpreting output
    Program
    LanguageEnglish
    LevelStatistical Thinking

    Question

    Temperament was measured in a random sample of 100 children. Temperament scores were almost normally distributed with y¯=20\overline{y} = 20 and s = 5. Calculate what percentage of children score between 20 and 30. To do this, use the empirical rule.


    1. FALSE: 95%
    2. FALSE: 68%
    3. TRUE: 47.5%
    4. FALSE: 34%

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