Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-1835-en_uva-paired-samples-1835-en
    nameuva-paired-samples-1835-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.562
    p-value0.459

    Question

    Of 7 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 7 differences between pre- and post-measurement the mean is 17 and the standard deviation is 28. The value of the test size of the paired T test is then


    1. FALSE: 0.68
    2. FALSE: 1.38
    3. TRUE: 1.61
    4. FALSE: 1.8

    1. 0.68: Incorrect
    2. 1.38: Incorrect
    3. 1.61: Correct
    4. 1.8: Incorrect