For Exercises 9 through 13, do a complete one-way ANOVA. If the null hypothesis is rejected, use either the Scheffe or Tukey test to see if there is a significant difference in the pairs of means. Assume all assumptions are met.
11. Fiber Content of Foods The number of grams of fiber per serving for a random sample of three different kinds of foods is listed. Is there sufficient evidence at the 0 05 level of significance to conclude that there is a difference in mean fiber content among breakfast cereals, fruits, and vegetables?
Breakfast cereals | Fruits | Vegetables |
3 | 5.5 | 10 |
4 | 2 | 1.5 |
6 | 4.4 | 3.5 |
4 | 16 | 2.7 |
10 | 3.8 | 2.5 |
5 | 4.5 | 6.5 |
6 | 2.8 | 4 |
8 | 3 | |
5 |
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