Description
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Chapter 10, Section 10.2, Exercise 17
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Use= 0.6603, = 3, = 10 and compute a 2-sided CI for the contrast.
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Consider the data in Exercise 42 in Chapter 10 Supplementary Exercises. Carry out the instructions below. Use software if possible.
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Obtain the ANOVA table for testing the hypothesis that mean cff values are all the same.
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State/give the relevant hypotheses at = 0.05. Follow the 4-step hypothesis test outline. Give the reject region or the P-value.
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Do the following residual plots suggest strong evidence that the model assumptions are violated? Explain briefly.
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Perform the Tukey method of underscoring (95% confidence) to determine which means differ. Write a few sentences to summarize your findings.
