Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-229-en_uva-test-229-en
    nameuva-test-229-en
    sectionInferential Statistics/Parametric Techniques/t-test
    typeschoice
    solutionFALSE, FALSE, TRUE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.946
    p-value0.1351

    Question

    In a random sample of n = 20 observations, one finds a Spearman rank correlation between the variables X and Y a Spearman rank correlation equal to 0.47. The null hypothesis of no correlation can then be rejected in favor of the alternative hypothesis that there is a positive correlation at


    1. FALSE: Α = 0.01
    2. FALSE: Α = 0.05 but not at α = 0.01
    3. TRUE: Α = 0.10 but not at α = 0.05

    1. Α = 0.01: Incorrect
    2. Α = 0.05 but not at α = 0.01: Incorrect
    3. Α = 0.10 but not at α = 0.05: Correct