Examlex
Which term does NOT belong with the others?
Mean
The arithmetic average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.
Variance
A measure of the dispersion or spread of a set of data points around their mean value.
Degrees of Freedom
The number of independent values or quantities that can vary in the calculation of a statistic, often necessary for assessing the significance of the statistic.
Student t Distribution
The Student t-distribution is a probability distribution used in statistics, especially in situations where the sample size is small and the population variance is unknown.
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