Question

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.

Clothes	Food	Toys
34	38	64
30	34	50
44	51	39
35	42	48
28	47	63
31	42	53
17	34	48
31	43	58
20	57	47
	47	51
	44	51
	54

(1)	Complete the ANOVA table. Use .05 significance level. (Round the SS and MS values to 1 decimal place and F value to 2 decimal places. Leave no cells blank - be certain to enter "0" wherever required.)

Source	DF	SS	MS	F	P
Factors
Error
Total

(2)	Find the values of mean and standard deviation. (Round the mean and standard deviation values to 3 decimal places.)

Level	N	Mean	StDev
Clothes
Food
Toys