Question: 2 points Save Answer Question 9 A design engineer measured the service life of a halogen headlamp his company produces. On three recent production batches,

2 points Save Answer Question 9 A design engineer
2 points Save Answer Question 9 A design engineer measured the service life of a halogen headlamp his company produces. On three recent production batches, he tested service life on random samples of four headlamps each sample Service life (hours) 1 495 500 505 500 2 525 515 505 515 3 470 480 460 470 What is the CL for the mean control chart? None of the other choices are correct 515 500 460

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