Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_vufgb-correlation-006-en_vufgb-correlation-006-en
    namevufgb-correlation-006-en
    sectionDescriptive statistics/Summary Statistics/Bivariate statistics/Correlation, Inferential Statistics/Regression/Equation
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    Program
    LanguageEnglish
    LevelStatistical Literacy

    Question

    A single regression analysis gives the following results: ŷ=15+3x\hat{y} = 15+3x. The standard deviation of y (sys_{y}) is 25 and the standard deviation of x (sxs_{x}) is 4.

    Calculate the correlation between x and y.


    1. FALSE: 0.12
    2. FALSE: 0.30
    3. TRUE: 0.48
    4. FALSE: 0.75

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