4QA3 F12 Week 3 Lecture Notes

Gandomi 41 course textbook o chapter 11 111114

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: = 0.138 p(1 – p) UCL = p + 3 = 0.138 + 3 n 0.138(0.862) 50 UCL = 0.285 p(1 - p) LCL = p - 3 = 0.138 - 3 n 0.138(0.862) 50 LCL = - 0.009 4QA3 F12 A. Gandomi 35 4QA3 F12 A. Gandomi 36 ●  The upper and lower control limits for the c chart (assuming 3σ limits) are: UCL = c + 3 c LCL = c − 3 c which is based on the mean and variance of a Poisson random variable with parameter c. 4QA3 F12 A. Gandomi 37 Design Speci3ications (a) Natural variation exceeds design speci3ications; process is not capable of meeting speci3ications all the time. Process Design Speci3ications (b) Design speci3ications and natural variation the same; process is capable of meeting speci3ications most of the time. Process 4QA3 F12 A. Gandomi...
View Full Document

Ask a homework question - tutors are online