Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-independent-samples-means-244-en_uva-independent-samples-means-244-en
    nameuva-independent-samples-means-244-en
    sectionInferential Statistics/Parametric Techniques/t-test/Independent samples means
    typeschoice
    solutionFALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty0.349
    p-value0.9139

    Question

    The t-test for two averages requires at sample sizes n1 = n2 = 50 that ‘A’ the sample variances are equal to each other, and that ‘B’ the population distributions are normal.


    1. FALSE: A’ and ‘B’ are both false
    2. TRUE: A’ and ‘B’ are both TRUE
    3. FALSE: A’ is TRUE and ‘B’ is false

    1. A’ and ‘B’ are both false: Incorrect
    2. A’ and ‘B’ are both TRUE: Correct
    3. A’ is TRUE and ‘B’ is false: Incorrect