Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-regression-176-en_uva-regression-176-en
    nameuva-regression-176-en
    sectionInferential Statistics/Regression
    typeschoice
    solutionFALSE, FALSE, TRUE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.28
    p-value0.245

    Question

    In regression analysis, it is possible to test whether the coefficients are differ from zero. This is inferential statistics. Necessary conditions for this in regression analysis are:_____. I. The standard deviations of y from the sample are equal for each x. II. The averages of y from the population are equal for all x.


    1. FALSE: I is TRUE and II is false.
    2. FALSE: I is false and II is true.
    3. TRUE: I and II are false.

    1. I is TRUE and II is false: Incorrect
    2. I is false and II is true: Incorrect
    3. I and II are untrue: Correct