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Managing and Improving Quality
book

Managing and Improving Quality

by Dr. Amar Sahay
December 2015
Intermediate to advanced content levelIntermediate to advanced
290 pages
7h 34m
English
Business Expert Press
Content preview from Managing and Improving Quality

APPENDIX C

Table of Control Chart Constants

Constants for X-bar

chart

Constants for R chart

Constants for S chart

Sample Size = n

A2

A3

d2

D3

D4

B3

B4

2

1.880

2.659

1.128

-

3.267

0

3.267

3

1.023

1.954

1.693

-

2.574

0

2.568

4

0.729

1.628

2.059

-

2.282

0

2.266

5

0.577

1.427

2.326

-

2.114

0

2.089

6

0.483

1.287

2.534

-

2.004

0.030

1.970

7

0.419

1.182

2.704

0.076

1.924

0.118

1.882

8

0.373

1.099

2.847

0.136

1.864

0.185

1.815

9

0.337

1.032

2.970

0.184

1.816

0.239

1.761

10

0.308

0.975

3.078

0.223

1.777

0.284

1.716

11

0.285

0.927

3.173

0.256

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Publisher Resources

ISBN: 9781631573422