The thickness of a printed circuit board is an important quality parameter. Data on board thickness (in inches) are given in Table for 25 samples of three boards each. a. Set up x̅and R control charts. Is the process in statistical control?
The thickness of a printed circuit board is an important quality parameter. Data on board thickness (in inches) are given in Table for 25 samples of three boards each. a. Set up x̅and R control charts. Is the process in statistical control?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
The thickness of a printed circuit board is an important quality parameter. Data on
board thickness (in inches) are given in Table for 25 samples of three boards each.
a. Set up x̅and R control charts. Is the process in statistical control?
b. Set up x̅and s control charts. Is the process in statistical control?
![Sample
Number
0.0629
0.0636 0.0640
2
0.0630
0.0631 0.0622
3
0.0628
0.0631 0.0633
4
0.0634
0.0630 0.0631
5
0.0619
0.0628 0.0630
0.0613
0.0629 0.0634
7
0.0630
0.0639 0.0625
8
0.0628
0.0627 0.0622
0.0623
0.0626 0.0633
10
0.0631
0.0631 0.0633
11
0.0635
0.0630 0.0638
12
0.0623
0.0630 0.0630
13
0.0635
0.0631 0.0630
14
0.0645
0.0640 0.0631
15
0.0619
0.0644 0.0632
16
0.0631
0.0627 0.0630
17
0.0616
0.0623 0.0631
18
0.0630
0.0630 0.0626
19
0.0636
0.0631
0.0629
20
0.0640
0.0635 0.0629
21
0.0628
0.0625 0.0616
22
0.0615
0.0625 0.0619
23
0.0630
0.0632 0.0630
24
0.0635
0.0629 0.0635
25
0.0623
0.0629 0.0630](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7015e988-6026-47c7-8c9d-932179675e4e%2F31c92ad0-836b-43b5-99ec-0eaf5c6afbca%2Fw4pajmm_processed.png&w=3840&q=75)
Transcribed Image Text:Sample
Number
0.0629
0.0636 0.0640
2
0.0630
0.0631 0.0622
3
0.0628
0.0631 0.0633
4
0.0634
0.0630 0.0631
5
0.0619
0.0628 0.0630
0.0613
0.0629 0.0634
7
0.0630
0.0639 0.0625
8
0.0628
0.0627 0.0622
0.0623
0.0626 0.0633
10
0.0631
0.0631 0.0633
11
0.0635
0.0630 0.0638
12
0.0623
0.0630 0.0630
13
0.0635
0.0631 0.0630
14
0.0645
0.0640 0.0631
15
0.0619
0.0644 0.0632
16
0.0631
0.0627 0.0630
17
0.0616
0.0623 0.0631
18
0.0630
0.0630 0.0626
19
0.0636
0.0631
0.0629
20
0.0640
0.0635 0.0629
21
0.0628
0.0625 0.0616
22
0.0615
0.0625 0.0619
23
0.0630
0.0632 0.0630
24
0.0635
0.0629 0.0635
25
0.0623
0.0629 0.0630
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