Question: 9.7 With reference to Exercise 7.62, test the null hypothesis = 600 psi for the compressive strength of the given kind of steel against

9.7 With reference to Exercise 7.62, test the null hypothesis σ = 600 psi for the compressive strength of the given kind of steel against the alternative hypothesis σ > 600 psi. Use the 0.05 level of significance.

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