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1a) If you cannot reject the null hypothesis with your
current results, do you go back and change your null
hypothesis such that you can then reject it? Since
ultimately you want to be able to reject the null
hypothesis.
1b) Is there an error that is more tolerable, between Type
1 and Type 2 errors?
Solution
1a) If you cannot reject the null hypothesis with your
current results, do you go back and change your null
hypothesis such that you can then reject it? Since
ultimately you want to be able to reject the null
hypothesis.
No, we don\'t do this. Even if we do, our result will be
meaningless.
1b) Is there an error that is more tolerable, between Type
1 and Type 2 errors?
Yes, but it depends on the situation. For example, a type I
error is less tolerable for unwanted pregnancy test. A type II
error is more tolerable in criminal cases, because, as a
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saying goes, \"it is better to set free a hundred criminals the
to punish an innocent person.\"

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