Examlex
Find the sum or difference.
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Directional Test
Another term for a one-tailed test, emphasizing the test's focus on detecting an effect in a specific direction, either positive or negative.
One-Tailed Test
A hypothesis test in which the region of rejection is on only one side of the sampling distribution, used when the alternative hypothesis specifies the direction of the effect.
Two-Tailed Test
A statistical test used to determine if there is a significant difference in two directions, either greater than or less than a specified range or value.
Sampling Error
The deviation of a sample statistic from its population parameter due to the fact that only a subset of the population is observed.
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