Examlex
What do we call the type of testing that the users perform to ensure that the system meets the business requirements?
Z-statistic
A statistical measure that quantifies the distance (in standard deviation units) a data point is from the mean of a distribution.
Two-tailed Test
A statistical test that considers both directions of an effect, testing the possibility of relationships in both positive and negative directions.
Significant
Denoting a result in statistical analysis that is likely not due to chance, thereby indicating a meaningful difference or correlation.
Z-statistic
A statistic used in hypothesis testing, calculated as the difference between a sample statistic and its hypothesized population parameter, divided by the standard error.
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