Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_vufsw-width-1121-en_vufsw-width-1121-en
    namevufsw-width-1121-en
    sectioninferential statistics/confidence intervals/width
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    Typecalculation
    Programcalculator
    LanguageEnglish
    Levelstatistical thinking

    Question

    A researcher is interested in the proportion of the Dutch people that from time to time feel insecure on the street. He administers a questionnaire to 80 respondents. From these individuals, 37.5% responded that they felt insecure on the street at least once. Estimate that 95% confidence interval for the Dutch people that have felt insecure on the street at least once.


    1. FALSE: [0.286; 0.464].
    2. FALSE: [0.285; 0.465].
    3. TRUE: [0.269; 0.481].
    4. FALSE: [0.267; 0.483].

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