Refer to Exercise 11.5. Are the population variances the same for scrap rates (3 plants)? Exercise 11.5
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Exercise 11.5
Scrap rates per thousand (parts whose defects cannot be reworked) are compared for 5 randomly selected days at three plants. Do the data show a significant difference in mean scrap rates?
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Applied Statistics In Business And Economics
ISBN: 9780073521480
4th Edition
Authors: David Doane, Lori Seward
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