Following is a p-chart for a manufacturing process. a. What is the mean proportion defective? What are
Question:
Following is a p-chart for a manufacturing process.
a. What is the mean proportion defective? What are the upper and lower control limits?
b. Are there any sample observations that indicate the process is out of control? Which sample numbers are they?
c. Does there seem to be any trend in the process? That is, does the process seem to be getting better, getting worse, or staying the same?
Transcribed Image Text:
p-Chart of Defects 0.10f 0.08 - UCL=0.0801 0.06- P=0.0507 0.04- 0.02- LCL=0.0213 0.00- 3 7 9. 11 13 15 17 19 Proportion
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a The mean percent defective is 00507 The u...View the full answer
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Related Book For
Statistical Techniques In Business And Economics
ISBN: 9781260239478
18th Edition
Authors: Douglas Lind, William Marchal, Samuel Wathen
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