Page 10 - FINAL CFA I SLIDES JUNE 2019 DAY 4
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Session Unit 3:

                                                                                                   12. Hypothesis Testing, p.279

    LOS 12.c: Explain a test statistic, Type I and Type II errors, a significance level, and how
    significance levels are used in hypothesis testing, p. 279




    2 key statistics in hypothesis testing we just saw:





    1. Test statistic calculated from the sample data






     2. Critical value of the test statistic.




      Recall the two ways of getting

      to SE in the denominator of
      the test statistic?




   Test statistics to employ any of these, itself is random variable
            which can take 1 of 4 distributions: Not only Z!


       T, CHI-SQUARE, AND F!                                                         Lets check what these are used for…
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