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. 16.66 Clothes Food Toys points 43 39 52 24 38 58 42 46 43 35 54 49 El 28 47 63 31 42 53 930\" 17 34 48 3'1 43 58 26 57 47 47 51 Hint 44 51 54 t Click here for the Excel Data File [E a. What are the null and alternate hypotheses? References 16.66 points Print [El References In. Complete the ANOVA table. Use 0.05 significance level. (Round the SS and MS values to 1 decimal place, Fvalue, and p-value to 2 decimal places, F crit to 4 decimal places. Leave no cells blank be certain to enter \"0" wherever required.) Treatment c. What is the test statistic? (Round your answer to 4 decimal places.) :| d. What is the pvalue? (Round your answer to 4 decimal places.) :| 4 16.66 points eBook @ Hint \"E! Print References e. What is your decision regarding the null hypothesis? :- f. Interpret the res ult. 4 16.66 points eBook g. Compute the 95% confidence intervals that estimate the difference between each pair of means. (Negative amount should be Hint indicated by a minus sign. Round your answers to 2 decimal places.) The interval for the difference between lines Clothes and Food is from to Print The interval for the difference between lines Clothes and Toys is from to The interval for the difference between lines Food and Toys is from to References h. Which pairs of means are statistically different? O Clothes - Food O Clothes - Toys Food - Toys O All of the above