A study of the effect of television commercials on 12yearold

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.

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. Round the DF values to nearest whole number.)

Clothes	Food	Toys
26	45	60
21	48	51
43	43	43
35	53	54
28	47	63
31	42	53
17	34	48
31	43	58
20	57	47
	47	51
	44	51
	54

Sol)

From Excel

ANOVA
Source of Variation	SS	df	MS	F	P-value	F crit
Between Groups	3182.038	2	1591.0	35.56	1.57E-08	3.327654
Within Groups	1297.462	29	44.7

Total	4479.5	31

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 t

A study of the effect of television commercials on 12yearold

Solution

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