SOLUTION: 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. At the .05 signi

Question 679837: 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. At the .05 significance level, is there a difference in the mean attention span of the children for the various commercials? Are there significant differences between pairs of means? Would you recommend dropping one of the three commercial types?
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
n/a-47-51
n/a-44-51
n/a-54-n/a
Please show your work for this. I have been trying to figure it out for days! PLEASE HELP ME?!?! :'(
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Why did you submit the same problem 4 times?

John

Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it

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