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Find the values of mean and standard deviation

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Reference no: EM132464509

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.

Clothes Food Toys

 34 38 64

30 34 50

44 51 39

35 42 48

28 47 63

31 42 53

17 34 48

31 43 58

20 57 47

47 51

44 51

54

Click here for the Excel Data File 

  1. Complete the ANOVA table. Use 0.05 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.)
  2. Find the values of mean and standard deviation. (Round the mean and standard deviation values to 3 decimal places.)
  3. Is there a difference in the mean attention span of the children for the various commercials?
  4. Are there significant differences between pairs of means?

Reference no: EM132464509

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