Exam 1

  1. Metainformation

    Tag Value
    fileInferential_Statistics_vufgb-samplingdistributions-029-en_vufgb-samplingdistributions-029-en
    namevufgb-samplingdistributions-029-en
    sectionInferential Statistics/Sampling Distributions
    typeschoice
    solutionFALSE, FALSE, TRUE, FALSE
    TypeInterpreting graph, Conceptual
    Program
    LanguageEnglish
    LevelStatistical Thinking

    Question

    An estimator is a sampling function on the basis of which a population parameter is estimated. Which statement about the quality of the estimator as depicted in the left figure is TRUE?


    1. FALSE: The estimator is pure (‘unbiased’) and efficient (‘efficient’).
    2. FALSE: The estimator is impure (‘biased’) and effective (‘efficient’).
    3. TRUE: The estimator is pure (‘unbiased’) and ineffective (‘inefficient’).
    4. FALSE: The estimator is impure (‘biased’) and inefficient (‘inefficient’).

    1. Incorrect
    2. Incorrect
    3. Correct
    4. Incorrect