Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-533-en_uva-test-533-en
    nameuva-test-533-en
    sectionInferential Statistics/Parametric Techniques/ANOVA/ANOVA F-test
    typeschoice
    solutionFALSE, FALSE, FALSE, TRUE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.755
    p-value0.163

    Question

    To compare two populations, a sample is drawn from both sample is drawn with the following results:______________. Group 1: n = 10, mean = 107, variance = 400. Group 2: n = 12, mean = 112, variance = 484. The value of the test size F to test the null hypothesis σ1² = σ2² is equal to


    1. FALSE: 0.91
    2. FALSE: 1.05
    3. FALSE: 1.1
    4. TRUE: 1.21

    1. 0.91: Incorrect
    2. 1.05: Incorrect
    3. 1.1: Incorrect
    4. 1.21: Correct