IE 530exI05

# IE 530exI05 - a What is the main problem which this will...

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IE 530/ STAT 513 Spring 2005 Exam I 1. a. The aim is ___________________________________ b. The mean is ____________________________________ c. The target is ____________________________________ 2. In rational subgrouping, the author states that each subgroup will be selected from some small region of ______,or ______, or _______, in order to assure relatively homogeneous conditions within the subgroup. 3. From Lecture, what is the most common cause of white space on an X-bar Chart? 4. Given the following X-bar chart with the control and spec limits as marked, suppose that the operator is told only to keep the process within the spec limits. USL ______________________________________________________ UCL ______________________________________________________ CL ______________________________________________________ LCL ______________________________________________________ LSL ______________________________________________________

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Unformatted text preview: a. What is the main problem which this will cause? b. What effect is this likely to have on Cp? 5. From Lecture, what are the three most commonly used indicators for an X-bar chart that it is out of control? a. b. c 6. In Lecture, when discussing C and U charts, we also discussed the underlying Assumptions the author made in using the poisson distribution. Which of the Four, if any, contained a misstatement. (circle). I II III IV 7. The three main components of quality costs are: a. b. c. 8. Why is it so important that the R-chart be in control before constructing The X-bar chart? 9. When computing common cause variation for a single point by using the Formula , why does d2 increase as n increases? See attachment For X bar and R Charts. 10. For the U chart data, what are the UCL and LCL for samples 9 and 13 (compute To three decimal places). a. UCL= LCL= b. UCL= LCL=...
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IE 530exI05 - a What is the main problem which this will...

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