Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_vufgb-mean-001-en_vufgb-mean-001-en
    namevufgb-mean-001-en
    sectionDescriptive statistics/Summary Statistics/Measures of Location/Mean, Inferential Statistics/Parametric Techniques/ANOVA/ANCOVA, Inferential Statistics/Regression
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeInterpreting graph
    Program
    LanguageEnglish
    LevelStatistical Literacy

    Question

    The picture below shows the estimated regression lines associated with an ANCOVA model. Also shown are the raw (unadjusted) averages for x and y. What can one conclude about the raw differences on y on the one hand and the adjusted (unadjusted) averages on the other?

    Complete:

    The adjusted averages…


    1. FALSE: …differ more than the raw averages.
    2. FALSE: …differ less than the raw averages.
    3. TRUE: …have a different ranking than the raw averages.
    4. FALSE: …do not differ from the raw averages.

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