Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-638-en_uva-test-638-en
    nameuva-test-638-en
    sectionInferential Statistics/Parametric Techniques/t-test
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.933
    p-value0.1362

    Question

    In a random sample, the variables X and Y were measured in ten individuals were measured. The Pearson correlation coefficient rP of X and Y is -0.61. Two-sidedly test with α = 5% the null hypothesis that the true correlation in the population is 0. The conclusion should then be:


    1. FALSE: Significant result, reject H0.
    2. FALSE: Significant result, do not reject H0.
    3. FALSE: No significant result, reject H0.
    4. TRUE: No significant result, do not reject H0.

    1. Significant result, reject H0.: Incorrect
    2. Significant result, reject H0: Incorrect
    3. No significant result, reject H0…: Incorrect
    4. No significant result, do not reject H0…: Correct