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Mathematics, 12.10.2020 19:01 alejandramirand9836
The alpha level that a researcher sets at the beginning of the experiment is the level to which he wishes to limit the probability of making the error of . Identify the boundaries that separate the extreme samples from the samples that are more obviously consistent with the null hypothesis. Assume the null hypothesis is nondirectional, meaning that the critical region is split across both tails of the distribution. The z-score boundaries at an alpha level α = .05 are:
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