Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_vufgb-correlation-003-en_vufgb-correlation-003-en
    namevufgb-correlation-003-en
    sectionDescriptive statistics/Summary Statistics/Bivariate statistics/Correlation
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    Program
    LanguageEnglish
    LevelStatistical Thinking

    Question

    In a particular study, the sample means of X and Y are 34.1 en 51, respectively. Also, sx=4.3s_{x} = 4.3, sy=2.8s_{y} = 2.8 and the estimated regression equation is Y′=7.89+0.41X{Y}' = 7.89+0.41X. What is the correlation between X and Y?


    1. TRUE: 0.63
    2. FALSE: 0.27
    3. FALSE: -0.63
    4. FALSE: -0.27

    1. Correct
    2. Incorrect
    3. Incorrect
    4. Incorrect