Examlex
The database management system, containing data related to all an organization's applications, supports normal data processing needs and enhances the organization's management activities by providing data useful to managers.
Null Hypothesis
The null hypothesis is a statement or hypothesis that there is no significant difference or effect, typically to be tested against an alternative hypothesis.
Critical Value
The threshold in a statistical test such that if the calculated test statistic is beyond this point, the null hypothesis is rejected.
Chi-Square Tests
Statistical tests used to determine if there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.
Test Statistic
A value calculated from sample data used to evaluate the credibility of a hypothesis about a population.
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