04 May 32. A Study Of The Effect Of Television Commercials On 12-Year-Old Children Measured Their Attention Span, In Seconds …
32. 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? Cloth 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
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