Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-1806-en_uva-paired-samples-1806-en
    nameuva-paired-samples-1806-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.998
    p-value0.3987

    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 15 and the standard deviation is 28. The value of the test size of the paired T test is then


    1. TRUE: 1.42
    2. FALSE: 1.44
    3. FALSE: 2.84
    4. FALSE: 3.87

    1. 1.42: Correct
    2. 1.44: Incorrect
    3. 2.84: Incorrect
    4. 3.87: Incorrect