Examlex
A light ray bends when it goes from one medium to another because of diffraction.
Expected Frequencies
The anticipated count of occurrences across different categories based on probability distributions in statistics.
Chi-Square Value
A statistical measure used in tests of independence and goodness of fit, indicating how expectations compare to actual observed data.
Degrees of Freedom
Degrees of freedom refer to the number of independent values or quantities that can vary in an analysis without breaking any constraints.
Contingency Table
A data table that displays the frequency distribution of the variables.
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