Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-1823-en_uva-paired-samples-1823-en
    nameuva-paired-samples-1823-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.556
    p-value0.4595

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


    1. FALSE: 2.44
    2. TRUE: 2.81
    3. FALSE: 2.85
    4. FALSE: 8.46

    1. 2.44: Incorrect
    2. 2.81: Correct
    3. 2.85: Incorrect
    4. 8.46: Incorrect