The Road King Tire Company wants to monitor the quality of the tires it manufactures. Each day

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The Road King Tire Company wants to monitor the quality of the tires it manufactures. Each day the company quality-control manager takes a sample of 100 tires, tests them, and determines the number of defective tires. The results of 20 samples are recorded as follows:

Sample Number of Defectives 14 12 4 10 11 6. 8. 14 9. 16 10 17 11 18 12 10 13 19 14 20 15 17 16 18 17 18 18 22 19 24 20

Construct a p-chart for this process using 2σ limits and describe the variation in the process.

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Operations Management Creating Value Along the Supply Chain

ISBN: 978-1118301173

1st Canadian Edition

Authors: Roberta S. Russell, Bernard W. Taylor, Ignacio Castillo, Navneet Vidyarthi

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