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ANOVA problems

Prepare answers to the following assignments from Chapter 11 of the Doane & Seward e-text:

Use the data from Exercise 11.1 on page 449 then test the hypothesis that the treatment means are equal at the 0.05 significance level and (a) State the null hypothesis and alternate hypothesis, (b) What is the decision rule? (c) Compute SSA, SSE, and SST using Excel, (d) Complete a one-factor ANOVA table, and (e) State your decision regarding the null hypothesis. Does the data prove a significant difference in mean scrap rates?

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Solution Summary

Step by step method for testing the hypothesis under 5 step approach is discussed here. Excel template for each problem is also included. This template can be used to obtain the answers of similar problems.