Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-equation-1921-en_uva-equation-1921-en
    nameuva-equation-1921-en
    sectionInferential Statistics/Regression/Equation
    typeschoice
    solutionFALSE, FALSE, TRUE
    TypeConceptual, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.522
    p-value0.1975

    Question

    We have a regression equation ŷ=9+6x1+10x2+9x3\hat{y} = 9 + 6x_{1} + 10x_{2} + 9x_{3} We check for x1 and x3. What is the increase in predicted y if we go from 6 to 10 for x2?


    1. FALSE: 24
    2. FALSE: 36
    3. TRUE: 40

    1. 24:Incorrect
    2. 36: Incorrect
    3. 40: Correct