Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-443-en_uva-test-443-en
    nameuva-test-443-en
    sectionInferential Statistics/Parametric Techniques/t-test
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty4.148
    p-value0.0918

    Question

    In a sample of 17 individuals, the Pearson product moment correlation coefficient was calculated between systolic and diastolic blood pressure, resulting in the value 0.845. The percentage of variation that the two variables have not in common is (in this sample) equal to


    1. FALSE: 15.5%
    2. FALSE: 20.4%
    3. TRUE: 28.6%
    4. FALSE: 71.4%

    1. 15.5%: Incorrect
    2. 20.4%: Incorrect
    3. 28.6%: Correct
    4. 71.4%: Incorrect