Question
In: Statistics and Probability
The following table shows the Brinell hardness numbers of 20 individual steel fasteners. The testing process...
- The following table shows the Brinell hardness numbers of 20 individual steel fasteners. The testing process dents the parts so that they cannot be used for their intended purpose. Construct the individual (X) and MR-chart based on two successive observations. Specification limits are 32 ± 7.
|
Sample |
Brinell |
Sample |
Brinell |
|
|
Hardness |
Hardness |
|||
|
1 |
36.3 |
11 |
29.4 |
|
|
2 |
28.6 |
12 |
35.2 |
|
|
3 |
32.5 |
13 |
37.7 |
|
|
4 |
38.7 |
14 |
27.5 |
|
|
5 |
35.4 |
15 |
28.4 |
|
|
6 |
27.3 |
16 |
33.6 |
|
|
7 |
37.2 |
17 |
28.5 |
|
|
8 |
36.4 |
18 |
36.2 |
|
|
9 |
38.3 |
19 |
32.7 |
|
|
10 |
30.5 |
20 |
28.3 |
Solutions
orchestra answered 2 years agoRelated Solutions
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