Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-sample-mean-238-en_uva-sample-mean-238-en
    nameuva-sample-mean-238-en
    sectionInferential Statistics/Sampling Distributions/Sample mean
    typeschoice
    solutionTRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    In a given population, the variable neuroticism is normally distributed with mean μ = 25 and standard deviation σ = 4. From this population a random sample of n = 25 individuals is drawn. The probability that in this sample the mean neuroticism score is greater than 27 is equal to


    1. TRUE: 0.01
    2. FALSE: 0.31
    3. FALSE: 0.99

    1. 0.01: Correct
    2. 0.31: Incorrect
    3. 0.99: Incorrect