Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-test-329-en_uva-test-329-en
    nameuva-test-329-en
    sectionInferential Statistics/Parametric Techniques/t-test
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty4.444
    p-value0.0258

    Question

    A researcher is interested in the correlation between two normally normally distributed variables X and Y and to that end draws a random sample of 20 individuals from her target population. From this she calculates the following quantities. If we want to test H0: ρP = 0 with a two-sided risk of 5%, then the critical value will be equal to


    1. FALSE: 0.3789
    2. FALSE: 0.4227
    3. TRUE: 0.4438
    4. FALSE: 0.4451

    1. 0.3789: Incorrect
    2. 0.4227: Incorrect
    3. 0.4438: Correct
    4. 0.4451: Incorrect