Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-1814-en_uva-paired-samples-1814-en
    nameuva-paired-samples-1814-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.287
    p-value0.491

    Question

    Of 13 subjects, before and after a given effort of force, the heart rate is measured. We want to test whether the average heart rate before and after the effort is equal. Of the 13 differences between pre- and post-measurement the mean is 23 and the standard deviation is 25. The value of the test size of the paired T test is then


    1. FALSE: 2.05
    2. FALSE: 3.21
    3. TRUE: 3.32
    4. FALSE: 18.22

    1. 2.05: Incorrect
    2. 3.21: Incorrect
    3. 3.32: Correct
    4. 18.22: Incorrect