Examlex
The number of federal governmental departments is 70.
Matched Pairs
A statistical technique that involves comparing two samples that are closely related or paired, often used in before-and-after studies.
Null Hypothesis
A hypothesis in statistical tests that assumes no effect or no difference between groups or conditions being compared.
Consecutive Weeks
A succession of weeks that occur consecutively without any breaks.
Confidence Interval
A variety of values, based on statistics from a sample, which is conjectured to envelop an obscure population parameter.
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