Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-1800-en_uva-paired-samples-1800-en
    nameuva-paired-samples-1800-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.078
    p-value0.5441

    Question

    Of 8 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 8 differences between pre- and post-measurement the mean is 35 and the standard deviation is 28. The value of the test size of the paired T test is then


    1. FALSE: 2.77
    2. FALSE: 3.4
    3. TRUE: 3.54
    4. FALSE: 3.55

    1. 2.77: Incorrect
    2. 3.4: Incorrect
    3. 3.54: Correct
    4. 3.55: Incorrect