Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_vufgb-zscore-016-en_vufgb-zscore-016-en
    namevufgb-zscore-016-en
    sectionDescriptive statistics/Score interpretation/z-score
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    Program
    LanguageEnglish
    LevelStatistical Literacy

    Question

    Givand is a bell-shaped distribution. What percandt of the observations have a score betweand the y¯2s\overline{y}-2s and y¯+2s\overline{y}+2s? Use the empirical rule.


    1. FALSE: 65%
    2. FALSE: 68%
    3. TRUE: 95%
    4. FALSE: 98%

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