| LEFT-tailed. "HA<H0" | ||
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| CDF(z)= 0.1 → z= -1.282 | CDF(z)= 0.05 → z= -1.645 | CDF(z)= 0.01 → z= -2.324 |
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| RIGHT-tailed. "HA>H0" | ||
| 1-CDF(z)= 0.1 → z= 1.282 | 1-CDF(z)= 0.05 → z= 1.645 | 1-CDF(z)= 0.01 → z= 2.324 |
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| TWO-tailed. "HA≠H0" | ||
| CDF(lower_z)+(1-CDF(upper_z))= 0.1 → z=±1.645 | CDF(lower_z)+(1-CDF(upper_z))= 0.05 → z=±1.96 | CDF(lower_z)+(1-CDF(upper_z))= 0.01 → z=±2.576 |
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