Homework 4 - IE330, HW#4 Consecutive sampling reduces the...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon
IE330, HW#4 Consecutive sampling reduces the opportunity for the occurrence of special causes within the subgroup because the amount of process evolving over the time of subgroup- collection is reduced. Moreover, it can capture the abrupt mean shifts more properly.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6.14. (i) The process is under (8) common cause system. (ii) Points 15 and 16 are endpoints in runs where 14 or more points oscillate. The process behavior is some type of systematic, (g) mixing/overcontrol. (iii) Point 5: out of control limit, 4 out of 5 in zone B or beyond
Background image of page 4
Point 6: 4 out of 5 in zone B or beyond, 2 out of 3 in zone A or beyond The process is under (a) upward shift in mean. (iv) in control (h) (v) The process shows run in zone C which is due to improper sampling (f) or a decrease in process variability. (vi) A linear increase in the points is because of a gradual shift in mean (e). 6.16. Sample X1 X2 X3 X4 X5 Average Max Min Range 1 48 59 42 40 32 44.2 59 32 27 2 48 52 51 50 52 50.6 52 48 4 3 50 49 60 44 48 50.2 60 44 16 4 50 41 48 43 41 44.6 50 41 9 5 51 49 60 60 47 53.4 60 47 13 6 44 47 54 45 50 48 54 44 10 7 51
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 6
This is the end of the preview. Sign up to access the rest of the document.

This homework help was uploaded on 04/07/2008 for the course IE 330 taught by Professor Tezcan during the Spring '08 term at University of Illinois at Urbana–Champaign.

Page1 / 10

Homework 4 - IE330, HW#4 Consecutive sampling reduces the...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online