Answered: in each of several consecutive days of…

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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Question

in each of several consecutive days of production of cola cans 500 cans are tested and the number of defects of each day are listed below. a. use the given process data to construct a control chart for p.

b. use the three out of control criteria and determine whether the process is within statistical control.

options for b:

yes because all the criteria are satisfied,

no because there is at least one point lying outside of the region between upper and lower control limits,

yes because none of the criteria are satisfied,

or no because there is a pattern trend or cycle that is obviously not random and there are eight or more consecutive points all above or below the central line.

c. what action should be taken?

The manufacturer should review their production process and attempt to remedy the cause of increasing variation in proportions of defects

The manufacturer should proceed as before because the number of defects is increasing

The manufacturer should review their production process and attempt to remedy the cause of increasing proportions of defects

The manufacturer should proceed as before because the number of defects is decreasing and the production process appears to be improving

In each of several consecutive days of production of cola cans, 500 cans are tested and the numbers of defects each day are listed below.
a. Use the given process data to construct a control chart for p.
b. Use the three out-of-control criteria and determine whether the process is within statistical control.
c. What action should be taken?
16
16
12
15
15
12
14
11
10
6.
10
7
19
23
19
18
D.
D.
A.
0.06-
0.06-
0.060-
0.06-
UCL
JCL
UCL
Ww.
CL
0.000+
0.00-
0.00+
0.00+
20
20
20
Sample
Sample
Sample
Sample
b. Using the three out-of-control criteria, is the statistical process within control?
A. Yes, because all of the criteria are satisfied.
B. No, because there is at least one point lying outside of the region between the upper and lower control limits.
C. Yes, because none of the criteria are satisfied.
O D. No, because there is a pattern, trend, or cycle that is obviously not random and there are eight or more consecutive points all above or all below the centerline.
c. Choose the correct answer below.
O A. The manufacturer should review their production process and attempt to remedy the cause of increasing variation in the proportions of defects.
B. The manufacturer should proceed as before, because the number of defects is increasing.
C. The manufacturer should review their production process and attempt to remedy the cause of increasing proportions of defects.
D. The manufacturer should proceed as before, because the number of defects is decreasing and the production process appears to be improving.
Click to select your answer.
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DII
DD
F12
80
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000
F11
F9
F10
F7
F8
esc
F5
F6
F2
F3
F4
F1
&
!
23
4
5
7
9
1
3
T
Y
|
P
R
20
言
Proportion
+ II
11
Proportion
* 00
Proportion
20
%24
Proportion

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