Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_vufsw-empiricalrule-0030-en_vufsw-empiricalrule-0030-en
    namevufsw-empiricalrule-0030-en
    sectiondistributions/continuous/normal
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    Typeconceptual
    ProgramNA
    LanguageEnglish
    Levelstatistical literacy

    Question

    A research project assesses Netflix viewing time (measured in minutes per day) and conducted a random sample among the Dutch population (N = 500). In this sample, the mean 90 minutes per day and the standard deviation 22 minutes per day.

    If we assume a normal distribution (normal distribution) and use the Empirical Rule, we can say that approx.


    1. FALSE: 68% of the observations are between 24 and 156 minutes.
    2. FALSE: 68% of observations are between 46 and 134 minutes.
    3. TRUE: 68% of the observations are between 68 and 112 minutes.
    4. FALSE: 68% of observations are between 89 and 91 minutes.

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