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Corporations may also make archival data sets available to researchers who wish to study workplace behaviors such as work productivity.
Null Hypothesis
A statement for a statistical test that proposes there is no effect or no difference, serving as the default assumption to test against.
Alternative Hypothesis
A statistical hypothesis that contradicts the null hypothesis, suggesting there is an effect or a difference.
One-tailed Test
A statistical test where the region of rejection is on only one side of the sampling distribution.
Critical Value
A point on the scale of the test statistic beyond which we reject the null hypothesis; it is a threshold used to determine the critical region for statistical significance testing.
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