A study of the effect of television commercials on 12year-old children measured their attention span, in seconds. The commercials were for clothes, food, and toys. clothes Food Toys 25 24 48 30 40 24 22 36 35 42 51 61 22 55 35 33 15 42 23 32 64 27 34 53 36 20 42 25 57 18 33 30 a. Complete the ANOVA table. Use 0.02 signicance level. (Round the SS and MS values to 1 decimal place and F-value to 2 decimal places. Round the DF values to nearest whole number. Round p-value to 3 decimal places.) Source SS DF MS F pValue Error Total b. Find the values of mean and standard deviation. (Round the mean and standard deviation values to 3 decimal places.) Level H Mean stDev Clothes Food Toys