Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-correlation-203-en_uva-correlation-203-en
    nameuva-correlation-203-en
    sectionDescriptive statistics/Summary Statistics/Bivariate statistics/Correlation
    typeschoice
    solutionFALSE, FALSE, TRUE
    TypeConceptual, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.135
    p-value0.2594

    Question

    Of the variables X and Y, it is given that the covariance of X and Y equals is 2, the variance of X is 4 and the variance of Y is 16. Then the pmcc between X and Y is equal to


    1. FALSE: 0.03
    2. FALSE: 0.21
    3. TRUE: 0.25

    1. 0.03: Incorrect
    2. 0.21: Incorrect
    3. 0.25: Correct