Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-regression-197-en_uva-regression-197-en
    nameuva-regression-197-en
    sectionInferential Statistics/Regression
    typeschoice
    solutionTRUE, FALSE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty4.377
    p-value0.0346

    Question

    A regression analysis on the scores x and y of 30 individuals yields the regression equation ŷ = 10 + 6x. The standard error of the slope b is equal to 2. This means that the null hypothesis that x and y are independent can be rejected at


    1. TRUE: Α = 0.01
    2. FALSE: Α = 0.05 but not at α = 0.01
    3. FALSE: Α = 0.10 but not at α = 0.05

    1. Α = 0.01: Correct
    2. Α = 0.05 but not at α = 0.01: Incorrect
    3. Α = 0.10 but not at α = 0.05: Incorrect