Question 1 {it} points} A researcher compared 4 different methods for teaching chemistrv: traditional lecture, programmed textbook instruction. computer instruction. and computer instruction with lectures. 52 students were randomlyr assigned, 4 to each method. After completing the course. students were given a 1-hour exam. What are the degrees of freedom for an F-test for evaluating if the average test scores are different for the different teaching methods? [5 points each] dfG = de = Question 2 [4 points] The ANOVA procedure is a statistical approach for determining what? Paragraph Question 3 (5 points) A researcher is going to conduct a goodness-of-fit test for a multinomial distribution with 10 categories. What are the degrees of freedom for the x- distribution for this test? Paragraph v BIUVA E v v + YQuestion 4 {8 points] A researcher is going to conduct an ANDVA with 25 subjects, which will be divided into 5 treatment groups. a. What are the degrees of freedom for the numerator? (4 points} b. What are the degrees of freedom for the denominator? {4 points} Paragraph