Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-simple-linear-regression-571-en_uva-simple-linear-regression-571-en
    nameuva-simple-linear-regression-571-en
    sectionInferential Statistics/Regression/Simple linear regression
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.284
    p-value0.2439

    Question

    In a regression situation, an independent variable (X) and a dependent (Y) measured.‖  The mean of the X values is 54.______________.  The equation of the regression line is. Y = 11.64 - 0.16 X.  If X decreases by 1 decreases the predicted value of Y will decrease by


    1. FALSE: Ecrease by 11.64
    2. FALSE: Decrease 0.16
    3. FALSE: Increase 11.64
    4. TRUE: 0.16 increase

    1. 11.64 decrease: Incorrect
    2. 0.16 decrease: Incorrect
    3. 11.64 increase: Incorrect
    4. 0.16 increase: Correct