Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-1819-en_uva-paired-samples-1819-en
    nameuva-paired-samples-1819-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.117
    p-value0.2604

    Question

    Of 18 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 18 differences between pre- and post-measurement the mean is 27 and the standard deviation is 32. The value of the test size of the paired T test is then


    1. FALSE: 0.86
    2. FALSE: 3.38
    3. FALSE: 3.53
    4. TRUE: 3.58

    1. 0.86: Incorrect
    2. 3.38: Incorrect
    3. 3.53: Incorrect
    4. 3.58: Correct