Problem

Reconsider the axial stiffness data given in Exercise 8. ANOVA output from Minitab follo...

Reconsider the axial stiffness data given in Exercise 8. ANOVA output from Minitab follows:

a. Is it plausible that the variances of the five axial stiffness index distributions are identical? Explain.

b. Use the output (without reference to our F table) to test the relevant hypotheses.

c. Use the Tukey intervals given in the output to determine which means differ, and construct the corresponding underscoring pattern.

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Solutions For Problems in Chapter 10

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