Reconsider Example 10.8 involving an investigation of the effects of different heat treatments on the yield point

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Reconsider Example 10.8 involving an investigation of the effects of different heat treatments on the yield point of steel ingots.

a. If and , what is b for a level .05 F test when

, and ?

b. For the alternative of part (a), what value of J is necessary to obtain ?

c. If there are heat treatments, , and , what is b for the level .05 F test when four of the mi

’s are equal and the fifth differs by 1 from the other four?

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