Question

What is degrees of Freedom ?​

Answer 1

Answer:

In statistics, the number of degrees of freedom is the number of values in the final calculation of a statistic that are free to vary. The number of independent ways by which a dynamic system can move, without violating any constraint imposed on it, is called number of degrees of freedom.

Explanation:

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Answer 2

Answer:

Degrees of Freedom refers to the maximum number of logically independent values, which are values that have the freedom to vary, in the data sample. ... Calculating Degrees of Freedom is key when trying to understand the importance of a Chi-Square statistic and the validity of the null hypothesis.