Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-396-en_uva-paired-samples-396-en
    nameuva-paired-samples-396-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.885
    p-value0.1408

    Question

    The heart rate before and 15 minutes after prolonged strenuous exercise was measured, with the results being:

    ————— —- —- —- —- —- Person 1 2 3 4 5 Heart rate before 70 65 81 57 74 Heart rate a 75 64 86 59 79 ————— —- —- —- —- —-

    We want to test whether the difference between the average heart rate after and before exercise is equal to 0, using a paired T test. The value of the test variable T is equal to


    1. FALSE: 0.5
    2. FALSE: 1.19
    3. TRUE: 2.67
    4. FALSE: 3.2

    1. 0.5: Incorrect
    2. 1.19: Incorrect
    3. 2.67: Correct
    4. 3.2: Incorrect