Examlex
By 120 BCE,which of the following allowed Arab sailors to dominate the Indian Ocean trade routes?
One-Tailed Test
A directional test, reflecting a directional hypothesis.
Two-Tailed Test
A nondirectional test, reflecting a nondirectional hypothesis.
Null Hypothesis
A statement in statistics that there is no effect or no difference, serving as the starting point for hypothesis testing.
One-Tailed Hypothesis
A directional hypothesis that specifies an expected direction of the effect or relationship between variables.
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