Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-independent-samples-means-433-en_uva-independent-samples-means-433-en
    nameuva-independent-samples-means-433-en
    sectionInferential Statistics/Parametric Techniques/t-test/Independent samples means
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.58
    p-value0.1893

    Question

    In a study of the effect of education on anxiety in patients facing unpleasant surgery, 10 men who received standard education afterward anxiety was measured via a VAS score, as well as in 6 men after comprehensive education._______________________ Standard: n = 10, mean = 35.10, standard deviation = 29.39. Expanded: n = 6, mean = 27.17, standard deviation = 24.32. The test for equality of population variances has the value of the test magnitude and conclusion


    1. FALSE: 1.21, do not reject the null hypothesis.
    2. FALSE: 1.46, do not reject the null hypothesis.
    3. TRUE: 0.68, do not reject the null hypothesis.
    4. FALSE: 1.21, reject the null hypothesis.

    1. 1.21, do not reject the null hypothesis…: Incorrect
    2. 1.46, do not reject the null hypothesis: Incorrect
    3. 0.68, do not reject the null hypothesis…: Correct
    4. 1.21, reject the null hypothesis…: Incorrect