Question: 12. Given the following sample information, test the hypothesis that the treatment means are equal at the 0.05 significance level: Treatment 1 Treatment 2 Treatment

12. Given the following sample information, test the hypothesis that the treatment means are equal at the 0.05 significance level: Treatment 1 Treatment 2 Treatment 3 396 263 555 165 385 154 4 1 7 5 6 4

a. State the null hypothesis and the alternative hypothesis.

b. What is the decision rule?

c. Compute SST, SSE, and SS total.

d. Complete an ANOVA table.

e. State your decision regarding the null hypothesis.

f. If H0 is rejected, can we conclude that treatment 2 and treatment 3 differ? Use the 95% level of confidence.

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