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12. When testing ?0: ?1 − ?2 ≤ 0versus ?1: ?1 − ?2 > 0, the...

12. When testing ?0: ?1 − ?2 ≤ 0versus ?1: ?1 − ?2 > 0, the observed value of the Z-score was found to be – 2.13. The p-value for this test would be ______________. (3 pts)

13. When testing ?0: ?1 − ?2 = 0 versus ?1: ?1 − ?2 ≠ 0, the observed value of the Z-score was found to be ±2.13. The p-value for this test would be ______________. (3 pts)

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