Question: If a statistical study is carefully conducted in every possible way, then: (a) its results must be correct; (b) we can have confidence in its

If a statistical study is carefully conducted in every possible way, then:

(a) its results must be correct;

(b) we can have confidence in its results, but it is still possible that the results are not correct;

(c) we say that the study is perfectly biased.

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