6.1  Hypothesis testing

6.1.1  The significance level – 5 percent and all that

6.1.2  But what does it mean?

6.1.3  Non-significant results

6.1.4  In summary—significance

6.2  Confidence intervals

6.2.1  The interval

6.2.2  Important as well as significant?

6.2.3  Don’t forget …

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