Practical sheet | REF: FIC1439 V1

Some common hypothesis tests

Author: Laurent LEBLOND

Publication date: February 10, 2015 | Lire en français

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7. Mistakes to avoid

7.1 Don't be fooled by test results

You should not assume that a test that does not reject the hypothesis being tested necessarily implies that the condition being tested is true. On the other hand, when a test rejects the tested hypothesis, there's every chance (at the risk of α=5% In all cases, the analyst must play his or her part and make a conscious decision as to the action to be taken on the warning revealed by a test. In all cases, the analyst must play his or her part, and decide conscientiously what action to take in response to the warning revealed by a test.

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