Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-independent-samples-means-311-en_uva-independent-samples-means-311-en
    nameuva-independent-samples-means-311-en
    sectionInferential Statistics/Parametric Techniques/t-test/Independent samples means
    typeschoice
    solutionFALSE, TRUE, FALSE, FALSE
    TypeInterpreting output, Calculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.994
    p-value0.1233

    Question

    For an experiment on the effectiveness of an assistance program for self-efficacy in the elderly, people are randomly assigned to a control or treated group. The SPSS output below includes a test on equality of mean age. The pooled variance estimator is equal to


    1. FALSE: 124.24
    2. TRUE: 125.22
    3. FALSE: 125.53
    4. FALSE: 128.03

    1. 124.24: Incorrect
    2. 125.22: Correct
    3. 125.53: Incorrect
    4. 128.03: Incorrect