Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-independent-samples-means-599-en_uva-independent-samples-means-599-en
    nameuva-independent-samples-means-599-en
    sectionInferential Statistics/Parametric Techniques/t-test/Independent samples means
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.248
    p-value0.2496

    Question

    From each of two normally distributed populations with equal variances a sample is drawn.______________. Sample 1: n = 18, mean = 38, sd = 5.43 Sample 2: n = 13, mean = 46, sd = 9.04. The pooled variance estimator takes the value 51.10. It is tested whether the population averages are equal. The value of the corresponding testing quantity is then


    1. FALSE: 1.665
    2. FALSE: 2.772
    3. TRUE: 3.075
    4. FALSE: 0.361

    1. 1,665: Incorrect
    2. 2,772: Incorrect
    3. 3,075: Correct
    4. 0.361: Incorrect