Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-inferential-statistics-145-en_uva-inferential-statistics-145-en
    nameuva-inferential-statistics-145-en
    sectionInferential Statistics
    typeschoice
    solutionFALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.664
    p-value0.4415

    Question

    We want to estimate how many people will vote for the PvdA in the upcoming elections. will vote for the PvdA. With a confidence level of 95% we want to have a margin of error equal to 0.03 (m = 0.03). At the so-called safe approach to this problem, how large should the random sample then be?


    1. FALSE: 32
    2. FALSE: 544
    3. TRUE: 1067

    1. 32: Incorrect
    2. 544: Incorrect
    3. 1067: Correct