<P> 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 . </P>
<P> 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 . </P>
degrees of freedom or d.f . is defined as
degrees of freedom or d.f . is defined as
the number of values in the final calculation of a statistic that are free to vary
the number of values in the final calculation of a statistic that are free to vary