Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-1816-en_uva-paired-samples-1816-en
    nameuva-paired-samples-1816-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.287
    p-value0.4905

    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 18 and the standard deviation is 32. The value of the test size of the paired T test is then


    1. TRUE: 1.69
    2. FALSE: 2.13
    3. FALSE: 3.15
    4. FALSE: 3.48

    1. 1.69: Correct
    2. 2.13: Incorrect
    3. 3.15: Incorrect
    4. 3.48: Incorrect