Question: Given the following sample information, test the hypothesis that the treatment means are equal at the .05 significance level.

Treatment 1 Treatment 2 Treatment 3

3 9 6

2 6 3

5 5 5

1 6 5

3 8 5

1 5 4

0 4 1

0 7 5

0 6 0

4

1. State the null hypothesis and state alternate hypothesis.
2. What is the decision rule?
3. Compute SST, SSE, SS total
4. Complete an ANOVA table
5. State your decision regarding the null hypothesis.
6. If H0 is rejected, can we conclude that treatment 2 and treatment 3 differ? Use the 95% level of confidence.

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