Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-paired-samples-427-en_uva-paired-samples-427-en
    nameuva-paired-samples-427-en
    sectionInferential Statistics/Parametric Techniques/t-test/Paired samples
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty4.067
    p-value0.0995

    Question

    From a randomly drawn sample of 7 individuals, heart rate was measured at 8 mornings and 4 p.m., with the results being:______________. morning: 75, 74, 70, 79, 65, 70, 68. afternoon: 76, 76, 69, 80, 66, 73, 69. We want to test H0: μ(morning) = μ(afternoon) against H1: μ(morning) ≠ μ(afternoon). The value of the test quantity (possibly with a minus sign) is equal to


    1. FALSE: 0.941
    2. FALSE: 0.442
    3. TRUE: 2.489
    4. FALSE: 1.244

    1. 0.941: Incorrect
    2. 0.442: Incorrect
    3. 2,489: Correct
    4. 1,244: Incorrect