1. Please answer following questions: a. In the specific case of a one- sample t-test, what is the relationship between N and the degrees of freedom? b. What happens to the relationship between tand zas degrees of freedom increase? c. Give an example of a situation (either a general field of research or a particular study topic) in which you think it would be. necessary or appropriate to use a lower level of significance - like .001 or something even smaller instead of .05. Explain why it would be necessary in that case to use that lower level of significance.