(10 points) A manufacturer of ceramic insulators conducts an experiment on ten v

Question

(10 points) A manufacturer of ceramic insulators conducts an experiment on ten variations of its production process. The engineers perform a hypothesis test on each process, against an alternative that insulator mean breaking strength is greater than the known mean for the current process. The ten P-values are as follows: 4. Process A BCD P-value .004 .38 | 02 | .19 | .0006) -26.- 44791- 131 .06 .13 | .06 Usid Bonferroni adjustedP valuesan =0.05, which, ifany, ofthe processes can be declared an improrement over the current process? Why? 214

Explanation / Answer

Here process A, C and E of corresponding p-values are < 0.05

therefore process A, C and E are accept the manufacturer claim i.e insulator mean breaking strength is greaterthan than the known mean for the current process

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