why are some measures of t freedom n and 1 for a regression what is the difference between degrees of freedom and a predictor why is the degrees of freedom of t-tests a one why do you use degrees of freedom what is the t-test for degrees of freedom which is the best t-test or regression coefficient to use when determining a relationship why degrees of freedom why are t tests used for a t-test? why degrees of freedom why are degree of freedom in regression analysis? why degrees of freedom why is the degree of freedom n when t testing the degree of freedom of a regression what is a degree of freedom in t tests why is degrees of freedom n what is degrees of freedom? why degrees of freedom why is degree of freedom used when doing a t-test for the significance of a regression coefficient? degree of freedom of regression which of the following is a useful t test for determining the significantness of the regression coefficient of a regression?