Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-1827-en_uva-paired-samples-1827-en
    nameuva-paired-samples-1827-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.107
    p-value0.5307

    Question

    Of 9 subjects, before and after a given exertion 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 9 differences between pre- and post-measurement the mean is 17 and the standard deviation is 37. The value of the test size of the paired T test is then


    1. FALSE: 0.72
    2. TRUE: 1.38
    3. FALSE: 1.82
    4. FALSE: 3.56

    1. 0.72: Incorrect
    2. 1.38: Correct
    3. 1.82: Incorrect
    4. 3.56: Incorrect