Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-1820-en_uva-paired-samples-1820-en
    nameuva-paired-samples-1820-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.685
    p-value0.4394

    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 29 and the standard deviation is 24. The value of the test size of the paired T test is then


    1. FALSE: 1.91
    2. FALSE: 3.38
    3. TRUE: 3.62
    4. FALSE: 4.1

    1. 1.91: Incorrect
    2. 3.38: Incorrect
    3. 3.62: Correct
    4. 4.1: Incorrect