Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-independent-samples-means-345-en_uva-independent-samples-means-345-en
    nameuva-independent-samples-means-345-en
    sectionInferential Statistics/Parametric Techniques/t-test/Independent samples means
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeConceptual, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.278
    p-value0.2455

    Question

    Two independent samples were drawn and the following was calculated from them:_____. Sample 1: n = 7, mean = 34, variance = 36. Sample 2: n = 5, mean = 25, variance = 46. The value of the testing magnitude for testing H0: σ12 = σ22 is equal to


    1. FALSE: 1.130
    2. TRUE: 1.278
    3. FALSE: 1.360
    4. FALSE: 2.430

    1. 1.130: Incorrect
    2. 1.278: Correct
    3. 1.360: Incorrect
    4. 2,430: Incorrect