Examlex
The mode is the measure of central tendency used with nominal data.
Degrees of Freedom
The number of independent values or quantities that can vary in the calculation of a statistic.
Numerator
The top number of a fraction, showing the number of parts out of the denominator considered.
Chi-square Distribution
A probability distribution that is used to describe the distribution of a sum of the squares of k independent standard normal random variables, often used in hypothesis testing.
Standard Deviation
A measure of the amount of variation or dispersion in a set of values, indicating how much the values differ from the mean.
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