Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-sample-mean-453-en_uva-sample-mean-453-en
    nameuva-sample-mean-453-en
    sectionInferential Statistics/Sampling Distributions/Sample mean
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    Suppose D ~ N(100, 10²). For a sample mean of 4 observations from this distribution, then P (Xaverage > 108) =


    1. TRUE: 0.0548
    2. FALSE: 0.2119
    3. FALSE: 0.2881
    4. FALSE: 0.3745

    1. 0.0548: Correct
    2. 0.2119: Incorrect
    3. 0.2881: Incorrect
    4. 0.3745: Incorrect