Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-526-en_uva-paired-samples-526-en
    nameuva-paired-samples-526-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.275
    p-value0.493

    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 before and after measurement the mean is 25 and the standard deviation is 30. The value of the test size of the paired T test is then


    1. FALSE: 0.83
    2. FALSE: 1.4
    3. TRUE: 2.36
    4. FALSE: 12.91

    1. 0.83: Incorrect
    2. 1.4: Incorrect
    3. 2.36: Correct
    4. 12.91: Incorrect