Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-185-en_uva-test-185-en
    nameuva-test-185-en
    sectionInferential Statistics/Parametric Techniques/t-test
    typeschoice
    solutionTRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty0.045
    p-value0.9216

    Question

    In the t-test on the difference between two averages, the standard error of the difference between the averages can be estimated in two ways estimated. One of the two ways assumes that the populations are


    1. TRUE: Have the same variance
    2. FALSE: Are the same size
    3. FALSE: Have the same mean

    1. Have the same variance: Correct
    2. Are the same size: Incorrect
    3. Have the same mean: Incorrect