Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_uva-statistical-errors-282-en_uva-statistical-errors-282-en
    nameuva-statistical-errors-282-en
    sectionInferential Statistics/NHST/Statistical errors
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeConceptual
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty2.214
    p-value0.5013

    Question

    Below are two statements. Which of these are correct? I: The power of a test can be increased by decreasing α. II: The power of a test can be increased by reducing σ².


    1. FALSE: Both statements are correct.
    2. FALSE: Utterance I is correct, utterance II is incorrect.
    3. TRUE: Utterance I is incorrect, utterance II is correct.
    4. FALSE: Both pronunciation are incorrect.

    1. Both pronunciation are correct: Incorrect
    2. Pronunciation I is correct, pronunciation II is incorrect: Incorrect
    3. Pronunciation I is incorrect, pronunciation II is correct: Correct
    4. Both pronunciation are incorrect: Incorrect