For Exercises 5–8, use the indicated randomized block design ANOVA output to test, using level of significance , whether the treatment means differ.

  1. Provide the hypotheses and the rejection rule.
  2. Find the relevant -value; provide the conclusion and the interpretation.

Question 12.103

7.

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12.3.7

(a) : Not all of the population means are equal. Reject if . (b) The , which is ; therefore we reject . There is evidence at level of significance that the population means are not all equal.