3. The following table shows a partially completed ANOVA table for a two-factor factorial experiment: Source df SS MS F A 3 2.6 B 9.2 AB 3.1 Error 18.7 Total 47 a. Complete the ANOVA table. (5) b. How many levels were used for each factor? How many treatments were used? How many replications were performed? (2) c. Find the value of the sum of squares for treatments. Test to determine whether the data provide evidence that the treatment means differ. Use a =0.05. (4) d. Is further testing of the natural of factor effects warranted? If so, test to determine whether the factors interact. Use a =0.05. Interpret the result. (4)