A study of the effect of television commercials on 12-year-old children measured their attention span, in...

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A study of the effect of television commercials on 12-year-oldchildren measured their attention span, in seconds. The commercialswere for clothes, food, and toys.
Clothes Food Toys
22 49 50
20 33 53
48 38 42
35 51 55
28 47 63
31 42 53
17 34 48
31 43 58
20 57 47
47 51
44 51
54
Complete the ANOVA table. Use 0.05 significance level.(Round the SS and MS values to 1 decimal place andF value to 2 decimal places.)
Find the values of mean and standard deviation. (Roundthe mean and standard deviation values to 3 decimalplaces.)
Is there a difference in the mean attention span of thechildren for the various commercials?
Are there significant differences between pairs of means?

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4.4 Ratings (636 Votes)

solutionsHere we are going to perform one way anova to check there adifference in the mean attention span of the children for thevarious commercialsSo the procedure for performing one way anova is given belowConclusion It is concluded that the null hypothesis Hois rejected See Answer

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Clothes	Food	Toys
22	49	50
20	33	53
48	38	42
35	51	55
28	47	63
31	42	53
17	34	48
31	43	58
20	57	47
	47	51
	44	51
	54