what is the degree of freedom what is the degree of freedom for the interaction test of a drug how to determine degree of freedom how to test interaction between variables what is the degree of freedom to test a certain test of interaction? how to test bmi/age how to test the degree of freedom for a certain interaction how to test freedom in the chi square how to test bmi/age how to test the degree of freedom for the interaction how to test the degree of freedom what is the probability of freedom for a certain interaction? what is the degree of freedom in physics degree of freedom chi square how to test bmi for drugs how to measure degree of freedom for interaction in statistics what is degrees of freedom how to test for degree of freedom what is the degree of freedom in a chi square test how to test bmi in social studies