Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-simple-linear-regression-208-en_uva-simple-linear-regression-208-en
    nameuva-simple-linear-regression-208-en
    sectionInferential Statistics/Regression/Simple linear regression
    typeschoice
    solutionFALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.664
    p-value0.4409

    Question

    Of the variables X and Y, the following data are known: r = 0.3, SX = SY = 1.2, the mean of X is 2.5 and the mean of Y is 3. Given the regression of Y on X, for X = 2 the prediction is Y’


    1. FALSE: 1.65
    2. TRUE: 2.85
    3. FALSE: 3.3

    1. 1.65: Incorrect
    2. 2.85: Correct
    3. 3.3: Incorrect