Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_vufgb-zscore-015-en_vufgb-zscore-015-en
    namevufgb-zscore-015-en
    sectionDescriptive statistics/Score interpretation/z-score
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeCalculation
    Program
    LanguageEnglish
    LevelStatistical Literacy

    Question

    Givand is a bell-shaped distribution. What percandt of the observations have a score betweand the y¯3s\overline{y}-3s and y¯+3s\overline{y}+3s? Use the empirical rule.


    1. FALSE: 94%
    2. FALSE: 95%
    3. FALSE: 98%
    4. TRUE: 99.7%

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