Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-sample-mean-432-en_uva-sample-mean-432-en
    nameuva-sample-mean-432-en
    sectionInferential Statistics/Sampling Distributions/Sample mean
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    A sample of n = 9 from an N(50, 12²) distribution has mean ¯X. Then P(¯X < 47) is equal to


    1. FALSE: 0.4013
    2. FALSE: 0.2266
    3. TRUE: 0.0122
    4. FALSE: 0.2734

    1. 0.4013: Incorrect
    2. 0.2266: Incorrect
    3. 0.0122: Correct
    4. 0.2734: Incorrect