 Hello, this is a video about goodness of fit test, finding the degrees of freedom. You intend to conduct a goodness of fit test for a multinomial distribution with five categories. You collect data from 63 subjects, calculate the degrees of freedom. The degrees of freedom for goodness of fit test is always number of categories minus one. So in this case, they told us that there's five categories. Techway one, we get four degrees of freedom. That's how you find degrees of freedom for a goodness of fit test.