2. A metal fabricator produces connecting rods with an outer diameter that has a 1 ± .01-inch specification. A machine operator takes several sample measurements over time and determines the sample mean outer diameter to be 1.002 inches with a standard deviation of .003 inch. a. Calculate the process capability index for this example. b. What does this figure tell you about the process?
2. A metal fabricator produces connecting rods with an outer diameter that has a 1 ± .01-inch specification. A machine operator takes several sample measurements over time and determines the sample mean outer diameter to be 1.002 inches with a standard deviation of .003 inch. a. Calculate the process capability index for this example. b. What does this figure tell you about the process?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A metal fabricator produces connecting rods with an outer diameter that has a 1 ± .01-inch specification. A machine operator takes several sample measurements over time and determines the sample mean outer diameter to be 1.002 inches with a standard deviation of .003 inch.
a. Calculate the process capability index for this example.
b. What does this figure tell you about the process?

Transcribed Image Text:Statistical Quality Control
Chapter 13
387
assembly and will have to be replaced later at a cost of $10 each when they are detected in
final product testing. (Answer in Appendix E)
a. Should this inspection position be eliminated?
b. What is the cost to inspect each unit?
c. Is there benefit (or loss) from the current inspection process? How much?
2. A metal fabricator produces connecting rods with an outer diameter that has a 1 ± .01-inch
specification. A machine operator takes several sample measurements over time and determines
the sample mean outer diameter to be 1.002 inches with a standard deviation of .003 inch.
a. Calculate the process capability index for this example.
b. What does this figure tell you about the process?
detected into
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