Examlex
The ____________________ keyword can be included in the FROM clause to link tables.
Null Hypothesis
A hypothesis used in statistical testing that assumes no significant difference or effect exists between certain states or variables.
Observed Frequency
The number of times a particular value or category of data occurs in a set of data, used in the analysis of categorical variables.
Expected Frequency
The theoretically calculated frequency of an event or outcome based on the probabilities in a statistical experiment, often compared to observed frequencies in chi-squared tests.
Test Statistic
A statistic calculated from sample data, used to determine whether to reject the null hypothesis.
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