Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-sample-mean-219-en_uva-sample-mean-219-en
    nameuva-sample-mean-219-en
    sectionInferential Statistics/Sampling Distributions/Sample mean
    typeschoice
    solutionTRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2
    p-value0.5905

    Question

    In the population of psychology students, the variable length is normally distributed with mean μ = 175 and standard deviation σ = 6. How large is the probability that in a random sample of n = 9 students the mean height is greater than 180 cm?


    1. TRUE: 0.01
    2. FALSE: 0.2
    3. FALSE: 0.8

    1. 0.01: Correct
    2. 0.2: Incorrect
    3. 0.8: Incorrect