1. 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.) 2,837.1 1,413.5 21.33 .0106 2. Find the values of mean and standard deviation. [Round the mean and standard deviation values to 3 decimal places.) I 23555 6.620 44.250 10.110 52.273 6.740 3. is there a difference in the mean attention span of the children for the various commercials? 4. Are there signicant differences between pairs of means? 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. C_l ot hes Food Toys: 32 4B 52 26 24 55 3? 33 38 35 58 59 28 4'? 63 31 42 53 l? 34 48 31 43 58 20 5'? 4? 4'? 51 44 51 54 [