Give the manufacturer to assistance

Reference no: EM131111129

A Japanese floppy disk manufacturer has a daily production rate of about 20,000 high density 3.5-inch diskettes. Quality is monitored by randomly sampling 200 finished disks every other hour from the production process and testing them for defects. If one or more defects are discovered, the disk is considered defective and is destroyed. The production process operates 20 hours per day, seven days a week. The table on p. 693 reports data for the last three days of production.

a. Construct a p-chart for the diskette product process.

b. what does it indicate about the stability of the process? Explain.

C. What advice can you give the manufacturer to assistance them in their search for the special cause(s) of variance that is plaguing the process?

Reference no: EM131111129

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