Examlex
The column percentages table divides the raw frequencies by the column total raw frequency.
Testing
The process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.
Null Hypothesis
A statistical hypothesis that suggests there is no significant difference between specified populations, any observed difference being due to sampling or experimental error.
Ratio
A quantitative relationship between two numbers showing the number of times one value contains or is contained within the other.
F-test Statistic
A value used in statistics to compare two variances and determine if they are significantly different, often used in the analysis of variance (ANOVA) tests.
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