Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-independent-samples-means-632-en_uva-independent-samples-means-632-en
    nameuva-independent-samples-means-632-en
    sectionInferential Statistics/Parametric Techniques/t-test/Independent samples means
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty4.301
    p-value0.0696

    Question

    From each of two normally distributed populations with equal variances a sample is drawn.______________________________. Sample 1: n = 8, mean = 18, sd = 3.4. Sample 2: n = 6, mean = 24, sd = 6.9. To test whether the population averages are equal we use the pooled T test; the test size here has a value of 2.155. For the corresponding two-sided P-value then applies


    1. FALSE: P < 0.01
    2. FALSE: 0.01 < P < 0.05
    3. TRUE: 0.05 < P < 0.10
    4. FALSE: P > 0.10

    1. P < 0.01: Incorrect
    2. 0.01 < P < 0.05: Incorrect
    3. 0.05 < P < 0.10: Correct
    4. P > 0.10: Incorrect