The term degrees of freedom refers to how many values are free to vary in a set of values if we know the summary statistic and the number of values in the set.

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Degrees of freedom refer to the number of values in a set that are free to vary after a certain number of constraints or conditions are imposed, such as knowing the mean or standard deviation of the set. This concept is used in many statistical analyses, such as t-tests and ANOVA, to determine the appropriate statistical test and degrees of freedom to use.

The Term Degrees of Freedom Refers to How Many Values