In an experiment to compare the crop yields of canola using seven different fertilizers, five fields are planted with canola. Each fertilizer is used once and only once in each field.

Use the above information to answer Questions 3(a) - 3(b) given below.

3(a) What is the degrees of freedom for treatments?

3(b) What is the degrees of freedom for blocks?

3(c) What is the degrees of freedom for error?