Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-equation-1934-en_uva-equation-1934-en
    nameuva-equation-1934-en
    sectionInferential Statistics/Regression/Equation
    typeschoice
    solutionFALSE, TRUE, FALSE
    TypeConceptual, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.522
    p-value0.1975

    Question

    We have a regression equation ŷ=6+8x1+3x2+5x3\hat{y} = 6 + 8x_{1} + 3x_{2} + 5x_{3} We check for x1 and x3. What is the decrease in predicted y if we go from 5 to 4 for x2?


    1. FALSE: 1
    2. TRUE: 3
    3. FALSE: 6

    1. 1: Incorrect
    2. 3: Correct
    3. 6: Incorrect