Examlex
If the DISTINCT keyword is not included in the SUM function,the ____ keyword will be assumed.
Expected Frequency
The number of times an event is predicted to occur within a specified number of trials or over a given period of time, based on probability.
Observed Frequency
The count of occurrences or instances of a particular event or characteristic in a data set.
Chi-squared Distribution
A distribution used in statistics to test hypotheses about the frequency distribution of observed data compared to the expected distribution if the null hypothesis is true.
Alternative Hypothesis
A statement that contradicts the null hypothesis and is considered true if the null hypothesis is rejected based on statistical evidence.
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