A study of the effect of television commercials on 12-year-old children measured their attention span, In seconds. The commercials were for clothes, food, and toys. Ho: Average attention spans for Clothes. Food and Toys adverts are the same H1: Average attention spans for Food. Clothes and Toys are different 32 48 52 26 24 55 37 33 38 35 58 59 28 47 63 31 42 53 17 34 48 31 43 SB 20 57 47 47 51 44 51 54 (a) Complete the ANOVA table. Use 0.05 signicance level. (Round the SS and MS values to 1 decimal place and F value to 2 decimal places.)