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Hypothesis tests for a mean

Use a p-value · Diagrams

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Compare p-values and critical values at 5%

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For observations −1.5 and 1.5, the one-sided p-value 0.0668 exceeds 0.05, so do not reject. For two-sided z=2, p=0.0455 and |z|>1.960, so reject. Darker shading marks the probability beyond the observation.
For observations −1.5 and 1.5, the one-sided p-value 0.0668 exceeds 0.05, so do not reject. For two-sided z=2, p=0.0455 and |z|>1.960, so reject. Darker shading marks the probability beyond the observation.
For observations −1.5 and 1.5, the one-sided p-value 0.0668 exceeds 0.05, so do not reject. For two-sided z=2, p=0.0455 and |z|>1.960, so reject. Darker shading marks the probability beyond the observation.
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