Span of the children for the various commercials

Reference no: EM13320414

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? Do all three comparisons and show your work.

Reference no: EM13320414

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