Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-sample-mean-386-en_uva-sample-mean-386-en
    nameuva-sample-mean-386-en
    sectionInferential Statistics/Sampling Distributions/Sample mean
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    Suppose we draw a sample of size n = 4 from an N(50, 36) distribution. The probability that the sample mean lies between 47.0 and 51.8 is then equal to


    1. FALSE: 0.3094
    2. FALSE: 0.3844
    3. FALSE: 0.4239
    4. TRUE: 0.567

    1. 0.3094: Incorrect
    2. 0.3844: Incorrect
    3. 0.4239: Incorrect
    4. 0.567: Correct