Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_vufsw-empiricalrule-0008-en_vufsw-empiricalrule-0008-en
    namevufsw-empiricalrule-0008-en
    sectiondistributions/continuous/normal
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    Typeconceptual
    ProgramNA
    LanguageEnglish
    Levelstatistical literacy

    Question

    A survey of the number of minutes young people spend on social media per day among a random sample of young people (N=300) yields the following results: the mean (M) is 192 minutes per day and the standard deviation (SD) is 30 minutes.

    It was found that the distribution of this variable is approximately normally distributed.

    According to the Empirical Rule, we can say about this data that it is approximately…


    1. TRUE: 68% of the observations are between 162 and 222.
    2. FALSE: 68% of the observations are between 188 and 196.
    3. FALSE: 95% of the observations are between 182 and 200.
    4. FALSE: 95% of the observations are between 170 and 214.

    1. True
    2. False
    3. False
    4. False